I've seen this subject discussed here and there with much hemming and hawing and such. The answer to: "If I, as a civilian provide First Aid to somebody, can I be sued?" is: Not in Texas, you can't.
https://statutes.capitol.texas.gov/Docs/CP/htm/CP.74.htm
CIVIL PRACTICE AND REMEDIES CODE
TITLE 4. LIABILITY IN TORT
CHAPTER 74. MEDICAL LIABILITY
SUBCHAPTER D. EMERGENCY CARE
Sec. 74.151. LIABILITY FOR EMERGENCY CARE. (a) A person who in good faith administers emergency care is not liable in civil damages for an act performed during the emergency unless the act is willfully or wantonly negligent, including a person who:
(1) administers emergency care using an automated external defibrillator; or
(2) administers emergency care as a volunteer who is a first responder as the term is defined under Section 421.095, Government Code.
So, get yourself a decent First Aid kit, to include some decent gloves because damaged bodies are icky, take a First Aid class even if you already took one thirty years ago and be prepared to aid your fellow brothers and sisters should the need arise.
https://statutes.capitol.texas.gov/Docs/CP/htm/CP.74.htm
CIVIL PRACTICE AND REMEDIES CODE
TITLE 4. LIABILITY IN TORT
CHAPTER 74. MEDICAL LIABILITY
SUBCHAPTER D. EMERGENCY CARE
Sec. 74.151. LIABILITY FOR EMERGENCY CARE. (a) A person who in good faith administers emergency care is not liable in civil damages for an act performed during the emergency unless the act is willfully or wantonly negligent, including a person who:
(1) administers emergency care using an automated external defibrillator; or
(2) administers emergency care as a volunteer who is a first responder as the term is defined under Section 421.095, Government Code.
So, get yourself a decent First Aid kit, to include some decent gloves because damaged bodies are icky, take a First Aid class even if you already took one thirty years ago and be prepared to aid your fellow brothers and sisters should the need arise.