Differential diagnosis — Flashcards

Flashcard 191: Ear pain + pain with pulling on the pinna = _____ Ear pain + no pain with pulling on the pinna = _____

Answer: otitis externa

Extra: The hallmark physical exam finding for **otitis externa** is exquisite pain on manipulation of the pinna or tragus (tragal tenderness). In **otitis media**, the infection is behind the tympanic membrane, so manipulation of the external ear does not typically elicit pain. OnlineMedEd ENT: OE = Pain with traction on the pinna OM = No pain with traction on the pinna

Flashcard 192: Difficulty getting out of chair and painful muscles is suggestive of _____

Answer: myositis

Extra:  https://onlinemeded.org/spa/rheumatology/other-connective-tissue/acquire?ref=anki 

Flashcard 193: Aortic dissection and esophageal perforation both present with _____

Answer: widened mediastinum

Extra:  https://onlinemeded.org/spa/surgery?ref=anki 

Flashcard 194: What is the most likely cause of superficial unilateral hip pain of the upper lateral thigh in a middle-aged adult? _____

Answer: Trochanteric bursitis

Extra:  https://onlinemeded.org/spa/surgery?ref=anki 

Flashcard 195: Diverticulosis and bright red blood per rectum is suggestive of _____

Answer: diverticular hemorrhage

Extra:  https://onlinemeded.org/spa/gastroenterology/diverticula/acquire?ref=anki 

Flashcard 196: Viral rhinosinusitis is more likely than bacterial rhinosinusitis in pts who are _____ with mild symptoms that improve within _____ days

Answer: afebrile

Extra:  https://onlinemeded.org?ref=anki 

Flashcard 197: What is the diagnosis for a pruritic, papulosquamous rash that typically begins with a **herald patch** followed by a **"Christmas tree" distribution** on the trunk? _____

Answer: Pityriasis rosea

Extra: Pityriasis rosea is a self-limiting inflammatory skin disease. It typically begins with a herald patch (a single, large, oval, erythematous scale) followed by smaller papules and scales in a "Christmas tree" distribution along skin cleavage lines on the trunk. It does not involve the palms or soles (distinguishing it from secondary syphilis). Treatment is supportive. https://onlinemeded.org/spa/dermatology/papulosquamous/acquire?ref=anki

Flashcard 198: Peptic ulcer disease → _____ to differentiate H. Pylori vs. malignancy vs. benign

Answer: EGD w/ bx

Extra:  https://onlinemeded.org/spa/gastroenterology/peptic-ulcer/acquire?ref=anki 

Flashcard 199: How is focal nodular hyperplasia described on ultrasonography? _____

Answer: Central, stellate scar with a "spoke-like pattern"

Extra:  https://onlinemeded.org/spa/gastroenterology/cirrhosis/acquire?ref=anki 

Flashcard 200: Condition characterized funduscopically by an **elevated, wrinkled, or greyish-appearing retina**, classically presenting with a "curtain" descending over the visual field: _____

Answer: Retinal detachment