NRS
41A.100 Required evidence; exceptions; rebuttable presumption of
negligence.
1. Liability for personal injury or death
is not imposed upon any provider of health care based on alleged negligence in
the performance of that care unless evidence consisting of expert medical
testimony, material from recognized medical texts or treatises or the
regulations of the licensed medical facility wherein the alleged negligence
occurred is presented to demonstrate the alleged deviation from the accepted
standard of care in the specific circumstances of the case and to prove
causation of the alleged personal injury or death, except that such evidence is
not required and a rebuttable presumption that the personal injury or death was
caused by negligence arises where evidence is presented that the provider of
health care caused the personal injury or death occurred in any one or more of
the following circumstances:
(a) A foreign substance other than medication or
a prosthetic device was unintentionally left within the body of a patient
following surgery;
(b) An explosion or fire originating in a
substance used in treatment occurred in the course of treatment;
(c) An unintended burn caused by heat, radiation
or chemicals was suffered in the course of medical care;
(d) An injury was suffered during the course of
treatment to a part of the body not directly involved in the treatment or
proximate thereto; or
(e) A surgical procedure was performed on the
wrong patient or the wrong organ, limb or part of a patient’s body.
2. Expert medical testimony provided
pursuant to subsection 1 may only be given by a provider of health care who
practices or has practiced in an area that is substantially similar to the type
of practice engaged in at the time of the alleged negligence.
3. The rebuttable presumption pursuant to
subsection 1 does not apply in an action in which a plaintiff submits an
affidavit pursuant to NRS 41A.071, or
otherwise designates an expert witness to establish that the specific provider
of health care deviated from the accepted standard of care.
4. Nothing in this section shall be
construed to preclude any party to the suit from designating and presenting expert
testimony as to the legal or proximate cause of any alleged personal injury or
death.
(Added to NRS by 1975,
406; A 1977,
955; 1985,
1754; 1997,
1219; 1999,
5; 2002
Special Session, 9; 2015,
2528)
Notes of Decisions
Cited in
53
cases (
19 in the last 5 years), 1979–2025 · leading case:
Szydel v. Markman
Szydel v. Markman (2005)
nev · cites it 40×
“: In this appeal, we consider whether a medical malpractice action filed under Nevada's res ipsa loquitur statute, NRS 41A.100, which does not require expert testimony at trial, must include a medical expert affidavit, as mandated by NRS 41A.”
JARAMILLO VS. RAMOS, M.D. (2020)
nev · cites it 58×
“: Nevada's res ipsa loquitur statute, NRS 41A.100, creates a rebuttable presumption of negligence in certain medical malpractice actions.”
MONTANEZ v. SPARKS FAMILY HOSP., INC. (2021)
nev · cites it 52×
“NRS 41A.100, however, exempts the plaintiff from providing the affidavit in certain circumstances, including when "Ea] foreign substance other than medication or a prosthetic device was unintentionally left within the body of a patient following surgery.”
Fierle v. Perez (2009)
nev · cites it 26×
“071 for claims of medical malpractice and revised the res ipsa loquitur exception in NRS 41A.100. In 2004, Nevada's voters approved an initiative petition that added protections for "professional negligence" for "provider[s] of health care.”
CUMMINGS VS. BARBER, M.D. (2020)
nev · cites it 52×
“We conclude that although NRS 41A.100(1) generally applies only to objects left in the patient's body during the at-issue surgery, it can also apply in cases where, as here, the sole purpose of the at- issue surgery is to remove medical devices and related hardware implanted…”
Cook v. SUNRISE HOSPITAL & MEDICAL CENTER, LLC (2008)
nev · cites it 4×
“[12] The district court gave the jury a "mere happening" instruction that primarily tracked language found in Gunlock and also gave a res ipsa loquitur instruction based on NRS 41A.100(1)(d). [13] This court held that the portion of the "mere happening" instruction stating that…”
Borger v. Dist. Ct. (2004)
nev · cites it 5×
“069 (repealed 2002); NRS 41A.100 (repealed 2002). [10] See NRS 41A.”
Engelson v. Dignity Health (2023)
nevapp · cites it 12×
“The language of NRS 41A.100, the res ipsa loquitur statute, further supports our reading of NRS 41A.”
Beattie v. Thomas (1983)
nev · cites it 2×
“Moreover, he fails to direct us to sufficient expert testimony in the record to support an informed consent instruction under the rule. For these reasons, the district court did not err in refusing appellant’s informed consent instruction.”
Carver v. El-Sabawi (2005)
nev · cites it 3×
“[2] NRS 41A.100 codifies and supplies the res ipsa loquitur theory of negligence in medical malpractice cases where it is factually applicable.”
— Nev. Rev. Stat. § 41A.100(1) — 27 cases
JARAMILLO VS. RAMOS, M.D. (2020)
nev
“: Nevada's res ipsa loquitur statute, NRS 41A.100, creates a rebuttable presumption of negligence in certain medical malpractice actions.”
Szydel v. Markman (2005)
nev
“: In this appeal, we consider whether a medical malpractice action filed under Nevada's res ipsa loquitur statute, NRS 41A.100, which does not require expert testimony at trial, must include a medical expert affidavit, as mandated by NRS 41A.”
CUMMINGS VS. BARBER, M.D. (2020)
nev
“We conclude that although NRS 41A.100(1) generally applies only to objects left in the patient's body during the at-issue surgery, it can also apply in cases where, as here, the sole purpose of the at- issue surgery is to remove medical devices and related hardware implanted…”
Fierle v. Perez (2009)
nev
“071 for claims of medical malpractice and revised the res ipsa loquitur exception in NRS 41A.100. In 2004, Nevada's voters approved an initiative petition that added protections for "professional negligence" for "provider[s] of health care.”
— Nev. Rev. Stat. § 41A.100(1)(a) — 12 cases
MONTANEZ v. SPARKS FAMILY HOSP., INC. (2021)
nev
“NRS 41A.100, however, exempts the plaintiff from providing the affidavit in certain circumstances, including when "Ea] foreign substance other than medication or a prosthetic device was unintentionally left within the body of a patient following surgery.”
CUMMINGS VS. BARBER, M.D. (2020)
nev
“We conclude that although NRS 41A.100(1) generally applies only to objects left in the patient's body during the at-issue surgery, it can also apply in cases where, as here, the sole purpose of the at- issue surgery is to remove medical devices and related hardware implanted…”
Szydel v. Markman (2005)
nev
“: In this appeal, we consider whether a medical malpractice action filed under Nevada's res ipsa loquitur statute, NRS 41A.100, which does not require expert testimony at trial, must include a medical expert affidavit, as mandated by NRS 41A.”
JARAMILLO VS. RAMOS, M.D. (2020)
nev
“: Nevada's res ipsa loquitur statute, NRS 41A.100, creates a rebuttable presumption of negligence in certain medical malpractice actions.”
— Nev. Rev. Stat. § 41A.100(1)(c) — 3 cases
Fierle v. Perez (2009)
nev
“071 for claims of medical malpractice and revised the res ipsa loquitur exception in NRS 41A.100. In 2004, Nevada's voters approved an initiative petition that added protections for "professional negligence" for "provider[s] of health care.”
— Nev. Rev. Stat. § 41A.100(1)(d) — 12 cases
Cook v. SUNRISE HOSPITAL & MEDICAL CENTER, LLC (2008)
nev
“[12] The district court gave the jury a "mere happening" instruction that primarily tracked language found in Gunlock and also gave a res ipsa loquitur instruction based on NRS 41A.100(1)(d). [13] This court held that the portion of the "mere happening" instruction stating that…”
Carver v. El-Sabawi (2005)
nev
“[2] NRS 41A.100 codifies and supplies the res ipsa loquitur theory of negligence in medical malpractice cases where it is factually applicable.”
— Nev. Rev. Stat. § 41A.100(1)(e) — 4 cases
— Nev. Rev. Stat. § 41A.100(2) — 2 cases
Borger v. Dist. Ct. (2004)
nev
“069 (repealed 2002); NRS 41A.100 (repealed 2002). [10] See NRS 41A.”
Szydel v. Markman (2005)
nev
“: In this appeal, we consider whether a medical malpractice action filed under Nevada's res ipsa loquitur statute, NRS 41A.100, which does not require expert testimony at trial, must include a medical expert affidavit, as mandated by NRS 41A.”
— Nev. Rev. Stat. § 41A.100(3) — 4 cases
Engelson v. Dignity Health (2023)
nevapp
“The language of NRS 41A.100, the res ipsa loquitur statute, further supports our reading of NRS 41A.”
Fierle v. Perez (2009)
nev
“071 for claims of medical malpractice and revised the res ipsa loquitur exception in NRS 41A.100. In 2004, Nevada's voters approved an initiative petition that added protections for "professional negligence" for "provider[s] of health care.”
— Nev. Rev. Stat. § 41A.100(a) — 1 case
Szydel v. Markman (2005)
nev
“: In this appeal, we consider whether a medical malpractice action filed under Nevada's res ipsa loquitur statute, NRS 41A.100, which does not require expert testimony at trial, must include a medical expert affidavit, as mandated by NRS 41A.”
— Nev. Rev. Stat. § 41A.100(d) — 1 case
— Nev. Rev. Stat. § 41A.100(e) — 1 case
Szydel v. Markman (2005)
nev
“: In this appeal, we consider whether a medical malpractice action filed under Nevada's res ipsa loquitur statute, NRS 41A.100, which does not require expert testimony at trial, must include a medical expert affidavit, as mandated by NRS 41A.”
— Nev. Rev. Stat. § 41A.100(l) — 1 case
— Nev. Rev. Stat. § 41A.100(l)(a) — 4 cases
Szydel v. Markman (2005)
nev
“: In this appeal, we consider whether a medical malpractice action filed under Nevada's res ipsa loquitur statute, NRS 41A.100, which does not require expert testimony at trial, must include a medical expert affidavit, as mandated by NRS 41A.”
Fierle v. Perez (2009)
nev
“071 for claims of medical malpractice and revised the res ipsa loquitur exception in NRS 41A.100. In 2004, Nevada's voters approved an initiative petition that added protections for "professional negligence" for "provider[s] of health care.”
— Nev. Rev. Stat. § 41A.100(l)(c) — 1 case
Fierle v. Perez (2009)
nev
“071 for claims of medical malpractice and revised the res ipsa loquitur exception in NRS 41A.100. In 2004, Nevada's voters approved an initiative petition that added protections for "professional negligence" for "provider[s] of health care.”
— Nev. Rev. Stat. § 41A.100(l)(d) — 3 cases
Cook v. SUNRISE HOSPITAL & MEDICAL CENTER, LLC (2008)
nev
“[12] The district court gave the jury a "mere happening" instruction that primarily tracked language found in Gunlock and also gave a res ipsa loquitur instruction based on NRS 41A.100(1)(d). [13] This court held that the portion of the "mere happening" instruction stating that…”
— Nev. Rev. Stat. § 41A.100(l)(e) — 3 cases
Szydel v. Markman (2005)
nev
“: In this appeal, we consider whether a medical malpractice action filed under Nevada's res ipsa loquitur statute, NRS 41A.100, which does not require expert testimony at trial, must include a medical expert affidavit, as mandated by NRS 41A.”
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