Clinical Reasoning — Flashcards

Flashcard 321: The Ottawa Ankle Rules is a clinical decision model used to determine whether or not an ankle injury needs a(n) _____

Answer: x-ray

Flashcard 322: (-) _____ = rules OUT lupus

Answer: ANA (sensitive)

Flashcard 323: What is done following KUB to confirm bowel obstruction? _____

Answer: Contrast swallow CT to see if tracer material passes the obstruction

Flashcard 324: A 25-year-old man presents with an inversion injury of his right ankle that occurred during a basketball game. His ankle is swollen, but he is able to bear weight, and has no focal tenderness and no ligament laxity. _____

Answer: Ankle sprain

Flashcard 325: "Periarticular osteopenia" on X-ray is suggestive of _____

Answer: rheumatoid arthritis

Extra: - "pee" in the "room" and it will "erode" - ddx. with osteoarthritis: narrowing, osteophyte, sclerosis, cyst.

Flashcard 326: In invasive pulmonary aspergillosis, halo sign refers to _____ with surrounding _____

Answer: nodular lesions

Flashcard 327: Strenuous activity on a hot day, nausea/vomiting, headache and temperature increased but not greater than 40°C (104 F) is suggestive of _____

Answer: heat exhaustion

Flashcard 328: Systolic, < 2/6, soft, vibratory and musical, heard best @ lower mid-sternum: _____

Answer: Still's murmur

Flashcard 329: The most common cause of diaper rash, which characteristically **spares the skin folds**, is _____.

Answer: irritant diaper dermatitis

Extra: Irritant (contact) diaper dermatitis spares the skin folds because the moisture/irritant does not easily reach the deep recesses of the folds. In contrast, **Candida diaper dermatitis** involves the skin folds and typically presents with **satellite lesions**.

Flashcard 330: How is Meckel diverticulum diagnosed? _____

Answer: Technetium-99m pertechnetate scan (Meckel scan)