medical malpractice claim in California

2026Analysis8 “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are ‘ “ ‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal connection between the negligent conduct an

2026Analysis8 “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are ‘ “ ‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal connection between the negligent conduct an

2023(Powell v. Kleinman (2007) 151 Cal.App.4th 112, 122 (Powell).) “Because the standard of care in a medical malpractice case is a matter ‘peculiarly within the knowledge of experts’ [citation], expert testimony is required to ‘prove or disprove that the defendant performed in accordance with the standard prevailing of care’ unless the negligence is obvious to a layperson.” ( Johnson, supra, 143 Cal.App.4th 297, 305 .) Similarly, “‘[c]ausation must be proven within a reasonable medical probability based upon 8 competent expert testimony.’” (Dumas v. Cooney (1991) 235 Cal.App.3d 1593, 1603 ; see a

2016(See CACI No. 501; see also Mann v. Cracchiolo (1985) 38 al.3d 18, 36.) A. Medical malpractice and expert evidence “Medical providers must exercise that degree of skill, knowledge, and care ordinarily possessed and exercised by members of their profession under similar circumstances.” (Powell, supra, 151 Cal.App.4th at p. 122 .) Thus, in “‘any medical malpractice action, the plaintiff must establish: “(1) the duty of the professional to use 5 Because a lack of informed consent is considered a type of negligence claim separate from a medical malpractice claim, there are separate and differing j

2023(Powell v. Kleinman (2007) 151 Cal.App.4th 112, 122 (Powell).) “Because the standard of care in a medical malpractice case is a matter ‘peculiarly within the knowledge of experts’ [citation], expert testimony is required to ‘prove or disprove that the defendant performed in accordance with the standard prevailing of care’ unless the negligence is obvious to a layperson.” ( Johnson, supra, 143 Cal.App.4th 297, 305 .) Similarly, “‘[c]ausation must be proven within a reasonable medical probability based upon 8 competent expert testimony.’” (Dumas v. Cooney (1991) 235 Cal.App.3d 1593, 1603 ; see a

2022Medical Negligence and the Need for Expert Testimony “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are: ‘“‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal c

2026Analysis8 “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are ‘ “ ‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal connection between the negligent conduct an

2025Smith’s Medical Negligence Claim (Physical Injury) “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are ‘ “ ‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal co

2023Son, defendants . . . failed to exercise that degree of skill and care commonly possessed and exercised by health care providers, medical practitioners, medical doctors, psychiatric professionals, medical specialists [and] physicians . . . who perform the same and similar treatment and diagnostic procedures in the area where defendants practice.” “The elements of a cause of action for medical malpractice are: (1) a duty to use such skill, prudence, and diligence as other members of the profession commonly possess and exercise; (2) a breach of the duty; (3) a proximate causal connection between

2023Son, including but not limited to misrepresentation of facts in order to detain plaintiff for a much longer period [than necessary] against his will.” N.M. does not identify any specific, alleged misrepresentation of facts; instead, he seems to suggest through his pleading that CHCM personnel were wrong in concluding he was a proper subject for a hold. 8 “The elements of a cause of action for medical malpractice are: (1) a duty to use such skill, prudence, and diligence as other members of the profession commonly possess and exercise; (2) a breach of the duty; (3) a proximate causal connection

2024The plaintiff in a medical malpractice claim must establish: “(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal connection between the negligent conduct and the resulting injury; and (4) actual loss or damage resulting from the professional’s negligence.” (Hanson v. Grode (1999) 76 Cal.App.4th 601, 606 ; see also Landeros v. Flood (1976) 17 Cal.3d 399, 408 [“a physician is required to possess and 18 exercise, in both diagnosis and treatment, that reasona

2022Medical Negligence and the Need for Expert Testimony “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are: ‘“‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal c

2023(Powell v. Kleinman (2007) 151 Cal.App.4th 112, 122 (Powell).) “Because the standard of care in a medical malpractice case is a matter ‘peculiarly within the knowledge of experts’ [citation], expert testimony is required to ‘prove or disprove that the defendant performed in accordance with the standard prevailing of care’ unless the negligence is obvious to a layperson.” ( Johnson, supra, 143 Cal.App.4th 297, 305 .) Similarly, “‘[c]ausation must be proven within a reasonable medical probability based upon 8 competent expert testimony.’” (Dumas v. Cooney (1991) 235 Cal.App.3d 1593, 1603 ; see a

2023(Powell v. Kleinman (2007) 151 Cal.App.4th 112, 122 (Powell).) “Because the standard of care in a medical malpractice case is a matter ‘peculiarly within the knowledge of experts’ [citation], expert testimony is required to ‘prove or disprove that the defendant performed in accordance with the standard prevailing of care’ unless the negligence is obvious to a layperson.” ( Johnson, supra, 143 Cal.App.4th 297, 305 .) Similarly, “‘[c]ausation must be proven within a reasonable medical probability based upon competent expert testimony.’” (Dumas v. Cooney (1991) 235 Cal.App.3d 1593, 1603 ; see als

2025Cal.5th 903, 906.) Traditionally, a claim accrues “ ‘ “when [it] is complete with all of its elements”–those elements being wrongdoing, harm, and causation.’ ” (Aryeh v. Canon Business Solutions, Inc. (2013) 55 Cal.4th 1185, 1191 ; accord, Howard Jarvis Taxpayers Assn. v. City of La Habra (2001) 25 Cal.4th 809, 815 .) “This is [known as] the ‘last element’ accrual rule ….” (Aryeh, at p. 1191.) Code of Civil Procedure section 340.5 governs the time within which a plaintiff must bring a medical malpractice claim.6 “[T]he statute of limitations begins to run when the plaintiff suspects or should

2025Cal.5th 903, 906.) Traditionally, a claim accrues “ ‘ “when [it] is complete with all of its elements”–those elements being wrongdoing, harm, and causation.’ ” (Aryeh v. Canon Business Solutions, Inc. (2013) 55 Cal.4th 1185, 1191 ; accord, Howard Jarvis Taxpayers Assn. v. City of La Habra (2001) 25 Cal.4th 809, 815 .) “This is [known as] the ‘last element’ accrual rule ….” (Aryeh, at p. 1191.) Code of Civil Procedure section 340.5 governs the time within which a plaintiff must bring a medical malpractice claim.6 “[T]he statute of limitations begins to run when the plaintiff suspects or should

1984In no event shall the time for commencement of legal action exceed three years unless tolled for any of the following: (1) upon proof of fraud, (2) intentional concealment, or (3) the presence of a foreign body, which has no therapeutic or diagnostic purpose or effect, in the person of the injured person.” 3 The three-year period is tolled, however, by any of three situations enumerated in the statute. 4 In Brown v. Bleiberg (1982) 32 Cal.3d 426 [ 186 Cal.Rptr. 228 , 651 P.2d 815 ], our high court reversed a lower court order holding a medical malpractice claim was barred by section 340.5.

1984In no event shall the time for commencement of legal action exceed three years unless tolled for any of the following: (1) upon proof of fraud, (2) intentional concealment, or (3) the presence of a foreign body, which has no therapeutic or diagnostic purpose or effect, in the person of the injured person.” 3 The three-year period is tolled, however, by any of three situations enumerated in the statute. 4 In Brown v. Bleiberg (1982) 32 Cal.3d 426 [ 186 Cal.Rptr. 228 , 651 P.2d 815 ], our high court reversed a lower court order holding a medical malpractice claim was barred by section 340.5.

2022Medical Negligence and the Need for Expert Testimony “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are: ‘“‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal c

2008(See Flowers v. Torrance Memorial Hospital Medical Center (1994) 8 Cal.4th 992, 1001 [ 35 Cal.Rptr.2d 685 , 884 P.2d 142 ].) That is not the claim before us. 2 The elements of a medical malpractice claim are: “ ‘ “(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal connection between the negligent conduct and the resulting injury; and (4) actual loss or damage resulting from the professional’s negligence.” [Citation.]’ ” (Hanson v. Grode (1999) 76 Cal.App.

2025Cal.5th 903, 906.) Traditionally, a claim accrues “ ‘ “when [it] is complete with all of its elements”–those elements being wrongdoing, harm, and causation.’ ” (Aryeh v. Canon Business Solutions, Inc. (2013) 55 Cal.4th 1185, 1191 ; accord, Howard Jarvis Taxpayers Assn. v. City of La Habra (2001) 25 Cal.4th 809, 815 .) “This is [known as] the ‘last element’ accrual rule ….” (Aryeh, at p. 1191.) Code of Civil Procedure section 340.5 governs the time within which a plaintiff must bring a medical malpractice claim.6 “[T]he statute of limitations begins to run when the plaintiff suspects or should

2025Cal.5th 903, 906.) Traditionally, a claim accrues “ ‘ “when [it] is complete with all of its elements”–those elements being wrongdoing, harm, and causation.’ ” (Aryeh v. Canon Business Solutions, Inc. (2013) 55 Cal.4th 1185, 1191 ; accord, Howard Jarvis Taxpayers Assn. v. City of La Habra (2001) 25 Cal.4th 809, 815 .) “This is [known as] the ‘last element’ accrual rule ….” (Aryeh, at p. 1191.) Code of Civil Procedure section 340.5 governs the time within which a plaintiff must bring a medical malpractice claim.6 “[T]he statute of limitations begins to run when the plaintiff suspects or should

2025Cal.5th 903, 906.) Traditionally, a claim accrues “ ‘ “when [it] is complete with all of its elements”–those elements being wrongdoing, harm, and causation.’ ” (Aryeh v. Canon Business Solutions, Inc. (2013) 55 Cal.4th 1185, 1191 ; accord, Howard Jarvis Taxpayers Assn. v. City of La Habra (2001) 25 Cal.4th 809, 815 .) “This is [known as] the ‘last element’ accrual rule ….” (Aryeh, at p. 1191.) Code of Civil Procedure section 340.5 governs the time within which a plaintiff must bring a medical malpractice claim.6 “[T]he statute of limitations begins to run when the plaintiff suspects or should

2025Cal.5th 903, 906.) Traditionally, a claim accrues “ ‘ “when [it] is complete with all of its elements”–those elements being wrongdoing, harm, and causation.’ ” (Aryeh v. Canon Business Solutions, Inc. (2013) 55 Cal.4th 1185, 1191 ; accord, Howard Jarvis Taxpayers Assn. v. City of La Habra (2001) 25 Cal.4th 809, 815 .) “This is [known as] the ‘last element’ accrual rule ….” (Aryeh, at p. 1191.) Code of Civil Procedure section 340.5 governs the time within which a plaintiff must bring a medical malpractice claim.6 “[T]he statute of limitations begins to run when the plaintiff suspects or should

2025Cal.5th 903, 906.) Traditionally, a claim accrues “ ‘ “when [it] is complete with all of its elements”–those elements being wrongdoing, harm, and causation.’ ” (Aryeh v. Canon Business Solutions, Inc. (2013) 55 Cal.4th 1185, 1191 ; accord, Howard Jarvis Taxpayers Assn. v. City of La Habra (2001) 25 Cal.4th 809, 815 .) “This is [known as] the ‘last element’ accrual rule ….” (Aryeh, at p. 1191.) Code of Civil Procedure section 340.5 governs the time within which a plaintiff must bring a medical malpractice claim.6 “[T]he statute of limitations begins to run when the plaintiff suspects or should

2025Cal.5th 903, 906.) Traditionally, a claim accrues “ ‘ “when [it] is complete with all of its elements”–those elements being wrongdoing, harm, and causation.’ ” (Aryeh v. Canon Business Solutions, Inc. (2013) 55 Cal.4th 1185, 1191 ; accord, Howard Jarvis Taxpayers Assn. v. City of La Habra (2001) 25 Cal.4th 809, 815 .) “This is [known as] the ‘last element’ accrual rule ….” (Aryeh, at p. 1191.) Code of Civil Procedure section 340.5 governs the time within which a plaintiff must bring a medical malpractice claim.6 “[T]he statute of limitations begins to run when the plaintiff suspects or should

2018Co. (2009) 45 Cal.4th 1008 , 1017-1018, 90 Cal.Rptr.3d 1 , 201 P.3d 1147 .) The statute of limitations to file a medical malpractice claim is "three years after the date of injury or one year after the plaintiff discovers, or through the use of reasonable diligence should have discovered, the injury, whichever occurs first." ( § 340.5.) The Medical Injury Compensation Reform Act (the Act) provides that "[n]o action based upon the health care provider's professional negligence may be commenced unless the defendant has been given at least 90 days' prior notice of the intention to commence the ac

2018Co. (2009) 45 Cal.4th 1008 , 1017-1018, 90 Cal.Rptr.3d 1 , 201 P.3d 1147 .) The statute of limitations to file a medical malpractice claim is "three years after the date of injury or one year after the plaintiff discovers, or through the use of reasonable diligence should have discovered, the injury, whichever occurs first." ( § 340.5.) The Medical Injury Compensation Reform Act (the Act) provides that "[n]o action based upon the health care provider's professional negligence may be commenced unless the defendant has been given at least 90 days' prior notice of the intention to commence the ac

2018Co. (2009) 45 Cal.4th 1008 , 1017-1018, 90 Cal.Rptr.3d 1 , 201 P.3d 1147 .) The statute of limitations to file a medical malpractice claim is "three years after the date of injury or one year after the plaintiff discovers, or through the use of reasonable diligence should have discovered, the injury, whichever occurs first." ( § 340.5.) The Medical Injury Compensation Reform Act (the Act) provides that "[n]o action based upon the health care provider's professional negligence may be commenced unless the defendant has been given at least 90 days' prior notice of the intention to commence the ac

2018Co. (2009) 45 Cal.4th 1008 , 1017-1018, 90 Cal.Rptr.3d 1 , 201 P.3d 1147 .) The statute of limitations to file a medical malpractice claim is "three years after the date of injury or one year after the plaintiff discovers, or through the use of reasonable diligence should have discovered, the injury, whichever occurs first." ( § 340.5.) The Medical Injury Compensation Reform Act (the Act) provides that "[n]o action based upon the health care provider's professional negligence may be commenced unless the defendant has been given at least 90 days' prior notice of the intention to commence the ac

2026Analysis8 “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are ‘ “ ‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal connection between the negligent conduct an

2025Smith’s Medical Negligence Claim (Physical Injury) “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are ‘ “ ‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal co

2024The plaintiff in a medical malpractice claim must establish: “(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal connection between the negligent conduct and the resulting injury; and (4) actual loss or damage resulting from the professional’s negligence.” (Hanson v. Grode (1999) 76 Cal.App.4th 601, 606 ; see also Landeros v. Flood (1976) 17 Cal.3d 399, 408 [“a physician is required to possess and 18 exercise, in both diagnosis and treatment, that reasona

2008(See Flowers v. Torrance Memorial Hospital Medical Center (1994) 8 Cal.4th 992, 1001 [ 35 Cal.Rptr.2d 685 , 884 P.2d 142 ].) That is not the claim before us. 2 The elements of a medical malpractice claim are: “ ‘ “(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal connection between the negligent conduct and the resulting injury; and (4) actual loss or damage resulting from the professional’s negligence.” [Citation.]’ ” (Hanson v. Grode (1999) 76 Cal.App.

2025We are merely concerned with the standards governing accrual of a claim under Code of Civil Procedure section 340.5 for purposes of the Government Claims Act. 15. sources open to his investigation … the statute commences to run.’ ” (Sanchez v. South Hoover Hospital (1976) 18 Cal.3d 93, 101 .) Put differently, section 340.5’s one-year period is only triggered once “ ‘the patient’s “reasonably founded suspicions [have been aroused],” and she has actually “become alerted to the necessity for investigation and pursuit of her remedies[ ]” ….’ ” (Artal v. Allen (2003) 111 Cal.App.4th 273, 279 ; see

2025We are merely concerned with the standards governing accrual of a claim under Code of Civil Procedure section 340.5 for purposes of the Government Claims Act. 15. sources open to his investigation … the statute commences to run.’ ” (Sanchez v. South Hoover Hospital (1976) 18 Cal.3d 93, 101 .) Put differently, section 340.5’s one-year period is only triggered once “ ‘the patient’s “reasonably founded suspicions [have been aroused],” and she has actually “become alerted to the necessity for investigation and pursuit of her remedies[ ]” ….’ ” (Artal v. Allen (2003) 111 Cal.App.4th 273, 279 ; see

2018Mary's Medical Center (1997) 58 Cal.App.4th 1223 , 1235-1236, 68 Cal.Rptr.2d 461 [allowing a medical malpractice claim against the employer because the resulting aggravation of the workplace injury did not arise out of the employment relationship].)" ( Vacanti , supra , 24 Cal.4th at p. 814 , 102 Cal.Rptr.2d 562 , 14 P.3d 234 .) The Court of Appeal read this passage to mean that "if something goes wrong in the claims process for [a] workplace injury," then the WCA's exclusivity provisions apply, but "if a new injury arises or [a] prior workplace injury is aggravated, ... the exclusivity provis

2018Mary's Medical Center (1997) 58 Cal.App.4th 1223 , 1235-1236, 68 Cal.Rptr.2d 461 [allowing a medical malpractice claim against the employer because the resulting aggravation of the workplace injury did not arise out of the employment relationship].)" ( Vacanti , supra , 24 Cal.4th at p. 814 , 102 Cal.Rptr.2d 562 , 14 P.3d 234 .) The Court of Appeal read this passage to mean that "if something goes wrong in the claims process for [a] workplace injury," then the WCA's exclusivity provisions apply, but "if a new injury arises or [a] prior workplace injury is aggravated, ... the exclusivity provis

2025(See San Antonio Regional Hospital v. Superior Court (2024) 102 Cal.App.5th 346 , 350; Borrayo v. Avery (2016) 2 Cal.App.5th 304, 310 .) The applicable professional standard of care by which a physician is adjudged is the “reasonable degree of skill, knowledge, and care ordinarily possessed and exercised by members of the medical profession under similar circumstances.” (Bardessono v. Michels (1970) 3 Cal.3d 780, 788 ; Charlie L. v. Kangavari (2025) 107 Cal.App.5th 1117 , 1125.) With limited exception, expert testimony is needed to establish the applicable standard of care, how the physician’s

2022(See Bardessono v. Michels (1970) 3 Cal.3d 780, 792-793 [jury could rely on common knowledge where alleged malpractice did not involve a complex procedure, but rather a simple treatment for commonplace problem where untoward, extremely rare result occurred]; Davis v. Memorial Hospital (1962) 58 Cal.2d 815, 818 [trial court erred in failing to instruct jury on res ipsa loquitur when it was matter of common knowledge that procedure is not ordinarily harmful in the absence of negligence]; see also Curtis v. Santa Clara Valley Medical Center (2003) 110 Cal.App.4th 796, 801 [“[t]he more complex or

2024(See Scott, supra, 185 Cal.App.4th at p. 1542 , citing Flowers v. Torrance Memorial Hospital Medical Center (1994) 8 Cal.4th 992, 1001 (Flowers); accord, Landeros v. Flood, supra, 17 Cal.3d at p. 410 [“[t]he standard of care against which the acts of a physician are to be measured is a matter peculiarly within the knowledge of experts”].) Thus, “expert testimony is required to ‘prove or disprove that the defendant performed in accordance with the standard prevailing of care’ unless the negligence is obvious to a layperson.” (Johnson v. Superior Court (2006) 143 Cal.App.4th 297, 305 ; see also

2022Medical Negligence and the Need for Expert Testimony “Generally, ‘negligence’ is the failure to exercise the care a reasonable person would exercise under the circumstances. [Citation.] Medical negligence is one type of negligence, to which general negligence principles apply.” (Massey v. Mercy Medical Center Redding (2009) 180 Cal.App.4th 690, 694 .) “The elements of a medical malpractice claim are: ‘“‘(1) the duty of the professional to use such skill, prudence, and diligence as other members of his profession commonly possess and exercise; (2) a breach of that duty; (3) a proximate causal c

2023(Castaneda v. Department of Corrections & Rehabilitation (2013) 212 Cal.App.4th 1051, 1070 [§ 845.6 narrowly authorizes claim against public entity for failure to summon medical care only, not for malpractice in providing that care].) True, the complaint alleges that the CIM transferees were tested roughly two weeks before the transfer and that an unspecified number of transferees tested positive upon their arrival at San Quentin.

2014(Castaneda v. Department of Corrections & Rehabilitation, supra, 212 Cal.App.4th at p. 1070 .) The duty to summon medical care is fulfilled once a practitioner is present and examines the prisoner.

2022Wicks stated: “[A]lthough a hospital may not control, direct or supervise physicians [providing services on site], a hospital may be liable for their negligence on an ostensible agency theory, unless (1) the hospital gave the patient actual notice that the treating physicians are not hospital employees, and (2) there is no reason to believe the patient was unable to understand or act on the information, or (3) the patient was treated by his or her personal physician and knew or should have known the true relationship between the hospital and physician.” (Ibid.) Markow v. Rosner (2016) 3 Cal.Ap

2021(Markow v. Rosner (2016) 3 Cal.App.5th 1027, 1038 (Markow).) In that case, the hospital is vicariously liable for negligence on an ostensible agency theory, “unless (1) the hospital gave the patient actual notice that the treating physicians are [independent contractors and] not hospital employees, and (2) there is no reason to believe the patient was unable to understand or act on the information, or (3) the patient was treated by his or her personal physician and knew or should have known the true relationship between the hospital and physician.” (Wicks v. Antelope Valley Healthcare Dist. (2

2021(Knapp, supra, 123 Cal.App.4th at p. 84 .) Slosar’s complaint plainly framed a medical malpractice claim based on the alleged perforation of his intestine by Pristine with the colonoscope that Pristine used to conduct Slosar’s colonoscopy, and on the alleged post-operative actions (and inactions) of Pristine. “ ‘The elements of a cause of action for medical malpractice are: (1) a duty to use such skill, prudence, and diligence as other members of the profession commonly possess and exercise; (2) a breach of the duty; (3) a proximate causal connection between the negligent conduct and the injur

2021(Knapp, supra, 123 Cal.App.4th at p. 84 .) Slosar’s complaint plainly framed a medical malpractice claim based on the alleged perforation of his intestine by Pristine with the colonoscope that Pristine used to conduct Slosar’s colonoscopy, and on the alleged post-operative actions (and inactions) of Pristine. “ ‘The elements of a cause of action for medical malpractice are: (1) a duty to use such skill, prudence, and diligence as other members of the profession commonly possess and exercise; (2) a breach of the duty; (3) a proximate causal connection between the negligent conduct and the injur