OSCE Clinical Reasoning and Diagnosis Flashcards
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Read the first 6 OSCE Clinical Reasoning and Diagnosis flashcards as text
A patient presents with polyuria, polydipsia, and a random blood glucose of 280 mg/dL. In an OSCE reasoning station, which diagnosis is most consistent?
Answer: Diabetes mellitus
The classic triad of polyuria, polydipsia, and hyperglycemia (≥200 mg/dL) meets the diagnostic criteria for diabetes mellitus.
During an OSCE, you note a patient has unequal pupils (anisocoria) with ptosis on the right side. Which condition should your clinical reasoning prioritize?
Answer: Horner syndrome
Anisocoria with ptosis and miosis on the same side is the classic triad of Horner syndrome, often indicating a serious underlying pathology.
In an OSCE differential diagnosis station, a young athlete presents with sharp chest pain worsening with inspiration. Which diagnosis is most likely?
Answer: Pleuritis or costochondritis
Sharp, inspiration-worsening chest pain in a young, otherwise healthy patient is most consistent with pleuritis or costochondritis rather than a vascular emergency.
A patient in your OSCE station has a raised JVP, bilateral pitting edema, and bibasilar crackles. Which diagnosis fits this clinical picture?
Answer: Congestive heart failure
Raised JVP, bilateral edema, and crackles form the classic triad of congestive heart failure due to fluid overload.
An OSCE patient presents with sudden severe headache described as 'the worst headache of my life.' What should clinical reasoning prioritize immediately?
Answer: Subarachnoid hemorrhage
A 'thunderclap' headache — sudden and maximally severe — is a red flag for subarachnoid hemorrhage until proven otherwise.
During a clinical reasoning OSCE, a patient on warfarin presents with gum bleeding and an INR of 8.2. What is the most appropriate initial management step?
Answer: Hold warfarin and administer vitamin K as directed by clinical protocol
A supratherapeutic INR with active bleeding requires withholding warfarin and reversing anticoagulation with vitamin K.
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