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Difficulty: EasyCardiothoracic and Vascular Surgery

Match each classic vascular clinical presentation to its most likely underlying diagnosis.

  • Reproducible lower extremity muscle cramping induced by exertion and reliably relieved by a short period of restChronic peripheral arterial disease
  • Sudden onset of a cold, pale, and pulseless extremity with associated paresthesiasAcute limb ischemia
  • Asymptomatic, expansile, and pulsatile periumbilical mass discovered on routine physical examinationAbdominal aortic aneurysm
  • Abrupt onset of severe, tearing interscapular pain accompanied by asymmetric upper extremity blood pressuresAcute aortic dissection

Answer

Reproducible exertion cramping matches with chronic peripheral arterial disease. Sudden cold/pulseless extremity matches with acute limb ischemia. Expansile periumbilical mass matches with abdominal aortic aneurysm. Tearing interscapular pain with asymmetric pulses matches with acute aortic dissection.
Each clinical presentation perfectly describes the hallmark pathophysiological features of its respective vascular diagnosis. Recognizing these fundamental associations is essential for appropriate surgical triage.

Step-by-Step Solution

1
Analyze the first presentation: reproducible exertional leg cramping.
Identified as intermittent claudication.
This symptom is pathognomonic for chronic peripheral arterial disease, where atherosclerotic narrowing limits supply during increased demand.
2
Analyze the second presentation: sudden onset of a cold, pale, and pulseless extremity.
Identified as acute limb ischemia.
This represents a sudden cessation of arterial blood flow requiring emergent surgical or endovascular intervention to save the limb.
3
Analyze the third presentation: an asymptomatic, pulsatile periumbilical mass.
Identified as an abdominal aortic aneurysm.
The abdominal aorta bifurcates at the level of the umbilicus, making this the classic location to palpate an aortic aneurysm.
4
Analyze the fourth presentation: tearing interscapular pain with asymmetric blood pressures.
Identified as an acute aortic dissection.
The tearing nature of the pain and the propagation of the intimal flap into the subclavian arteries causing asymmetric pressures are classic for dissection.

Key Concept

Vascular surgical emergencies and chronic conditions present with distinct, classic clinical patterns that guide initial diagnosis.
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Topics

Cardiothoracic and Vascular Surgery

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