Clinical Reasoning — Flashcards

Flashcard 151: What is the best initial test for Myasthenia Gravis? _____

Answer: Anti-ACh Receptor antibody test

Flashcard 152: "Thumb-sign" on lateral X-ray: _____

Answer: H. influenzae, epiglottitis

Flashcard 153: Inability to flex middle finger but pops with forced flexion is suggestive of _____

Answer: trigger finger

Flashcard 154: Cholangiocarcinoma is dx with _____

Answer: ERCP w/ bx

Flashcard 155: What biliary disease is characterized by a "beads-on-a-string" appearance on MRCP? _____

Answer: Primary sclerosing cholangitis

Flashcard 156: The hallmark finding on Chest X-ray (CXR) in a patient with _____ is bilateral hilar lymphadenopathy.

Answer: sarcoidosis

Extra: Sarcoidosis CXR Staging: Stage 1: Bilateral hilar lymphadenopathy (BHL) Stage 2: BHL + interstitial infiltrates Stage 3: Interstitial infiltrates only Stage 4: Pulmonary fibrosis

Flashcard 157: What is the likely diagnosis in a patient who recently emigrated from Mexico and presents with fever, RUQ pain, and bloody diarrhea with a subcapsular liver cyst visible on CT? _____

Answer: Amoebiasis (liver abscess secondary to Entamoeba histolytica)

Flashcard 158: How is endotracheal tube placement confirmed? _____

Answer: End-tidal CO2

Flashcard 159: When the likelihood of pulmonary embolism is low, do a(n) _____ to rule it out.

Answer: D-dimer test

Flashcard 160: Weber test localizes to left ear → pt hears AC > BC bilaterally → _____

Answer: right-sided sensorineural hearing loss