A 56-year-old man with a 30-pack-year smoking history and recently diagnosed atrial fibrillation presents with acute onset of unilateral leg pain, coolness, and pallor. Vital signs show BP 142/88 mmHg, HR 108 bpm (irregular), RR 16, temperature 37.2°C. Physical examination reveals absent femoral pulse on the affected side and intact sensory function. Point-of-care ultrasound demonstrates no deep venous thrombosis. He takes no anticoagulants. Which of the following is the most likely diagnosis?
- A)Acute venous thrombosis of the iliac vein
- B)Popliteal artery entrapment syndrome
- C)Atherosclerotic thrombosis of femoral artery
- D)Acute arterial thromboembolism from cardiac sourceGABARITO
- E)Ruptured Baker cyst with compartment syndrome
Explicação
Acute arterial occlusion with absent pulse, sudden onset, and signs of limb ischemia (pain, pallor, coolness) in a patient with newly diagnosed atrial fibrillation indicates cardioembolic arterial thromboembolism. The heart is the most common source of emboli ... Ver explicação completa e trilha adaptativa →