Cardiology — Flashcards

Flashcard 2971: What is the most common tumor that produces ectopic ACTH?_____

Answer: Small cell lung carcinoma

Flashcard 2972: The average age of presentation for lung cancer is _____ years old

Answer: 70

Extra: The median age at diagnosis for lung cancer is approximately 70-71 years. Most patients are diagnosed between the ages of 65 and 74.

Flashcard 2973: If a patient with ACTH-dependent Cushing syndrome has increased ACTH secretion following a CRH stimulation test, the most likely cause of their syndrome is _____

Answer: Cushing disease

Flashcard 2974: Which electrolyte disturbance causes decreased DTRs, cardiac arrest, bradycardia, hypotension, and hypocalcemia? _____

Answer: High Mg2+ (hypermagnesemia)

Flashcard 2975: Which valve is most commonly affected in **intravenous drug users** with *S. aureus* endocarditis? _____

Answer: Tricuspid valve

Flashcard 2976: Incremental reductions in _____ define the stages of chronic kidney disease

Answer: GFR

Flashcard 2977: What cardiac pathology can be caused by adenovirus, coxsackie B, parvovirus B19, HIV, and HHV-6?_____

Answer: Myocarditis

Flashcard 2978: Which type of nephrotic syndrome is most commonly seen in HIV patients?_____

Answer: Focal segmental glomerulosclerosis

Flashcard 2979: What hematologic pathology is associated with increased risk for focal segmental glomerulosclerosis? _____

Answer: Sickle cell disease

Flashcard 2980: Which antibiotic is used in the empiric treatment of bacterial endocarditis?_____

Answer: Vancomycin