Why are cardiac troponins the preferred biomarkers in suspected MI?

Fluctuating diplopia and ptosis worsen with sustained activity and improve with rest. Pathophysiology involves:

Why are cardiac troponins the preferred biomarkers in suspected MI?

A resident sustains a needlestick from an HCV-RNA–positive source. What is recommended postexposure management?

Untreated obsessive-compulsive disorder increases risk for:

Brain MRI shows a well-circumscribed “popcorn” lesion with a hemosiderin rim and prominent susceptibility (blooming) on T2*/SWI sequences; angiography may be normal. Most consistent with:

Which of the following pathologic findings is most characteristic of Parkinson disease?

A farmworker exposed to organophosphate insecticides presents with miosis, bronchorrhea/wheezing, bradycardia, salivation, lacrimation, vomiting, and diarrhea. This constellation represents:

A resident on call for a week has hyperglycemia, central adiposity over time, and delayed wound healing. Which stress-axis hormone is the primary mediator?

Ventricular remodeling after MI is driven in part by which mediator(s)?