I lost three patients in my first week of residency, and it changed medicine for me

To believe in someone or something completely without asking questions, checking facts, or considering the possibility that the information might be incorrect or harmful.

“I didn't... I trusted blindly, blindly trusted the nurse practitioner telling me to go give blood into * She trusted blindly that her business partner would handle the finances honestly. * It is dangerous to trust blindly the advice you find on anonymous internet forums. * He realized too late that he had trusted blindly the promises made by the salesperson.”