Differential diagnosis — Flashcards

Flashcard 221: 2-10 days after lap chole, patient develops fever, n/v, cholestatic picture without biliary dilation is suggestive of _____

Answer: bile leak

Flashcard 222: A blanchable, pink-red macule found on the eyelids, glabella, or nape of the neck in a newborn is _____.

Answer: nevus simplex (salmon patch)

Extra: Also known as an "angel kiss" (on the face) or "stork bite" (on the neck). These lesions represent ectatic capillaries and usually fade spontaneously within the first few years of life, though those on the nape may persist indefinitely.

Flashcard 223: Hemorrhagic strokes appear immediately on non-contrast CT as _____ regions in the brain parenchyma

Answer: white hyperdense

Flashcard 224: Painless testicular mass in a young man that cannot be transilluminated is suggestive of _____

Answer: testicular tumor

Flashcard 225: Does PE cause low glucose or pH in pleural fluid? _____

Answer: No

Flashcard 226: _____ is the presence of gallstones in the common bile duct, often leading to elevated ALP, GGT, direct bilirubin, and/or AST/ALT

Answer: Choledocholithiasis

Extra: Increased backpressure in the biliary tree causes damage to the cells lining the bile ducts, leading to the leakage of enzymes (ALP, GGT) and conjugated (direct) bilirubin. The synthesis of Alkaline Phosphatase is also induced by bile stasis.

Flashcard 227: Pt who had a cold a little bit ago now has abd pain, palpable purpura and RBC casts: _____

Answer: HSP glomerulonephritis

Flashcard 228: Limited upward gaze, eyelid retraction and eyes non-reactive to light but intact accommodation is suggestive of _____

Answer: Parinaud syndrome

Flashcard 229: Arteriovenous fistula is a local vascular complication of cardiac catheterization characterized by a(n) _____ bruit and palpable thrill (with no mass)

Answer: continuous

Flashcard 230: Post-bone related trauma, bilateral infiltrates and petechial rash (axilla, chest wall, conjunctiva) is suggestive of _____

Answer: fat embolism