§ 74.201.Application of Res Ipsa Loquitur

One sentence that stopped a doctrine in place nearly half a century ago.

The common law doctrine of res ipsa loquitur applies to health care liability claims only in those cases to which it has been applied by the appellate courts of this state as of August 29, 1977.

Res ipsa loquitur — the thing speaks for itself — lets a jury infer negligence from the nature of the accident alone, without proof of what the defendant did wrong. It applies where the injury does not ordinarily occur absent negligence and the instrumentality was in the defendant's control.

In medicine the classic applications are a sponge or instrument left inside a patient, or an injury to a part of the body remote from the site of the operation. A patient under anaesthetic cannot say what happened, and the doctrine spares them from having to.

The section does not abolish it — it freezes it. Those established categories survive; what cannot happen is the doctrine expanding to new kinds of medical injury as courts might otherwise extend it.

The date is the point. August 29, 1977 is when the predecessor medical liability statute took effect, and the same date appears in the wrongful death damages cap, which indexes to the consumer price index from that day. The chapter repeatedly measures from the start of Texas medical liability reform.

The practical result is that a Texas medical claim almost always requires expert testimony on the standard of care, which the expert report requirement then front-loads to the first 120 days.