Investigation of patients with emboli

When dry necrosis is secondary to emboli, a possible source should be investigated, and therefore the following investigations should be performed:

• ECG to detect atrial fibrillation or recent myocardial infarct

• Echocardiogram to detect the presence of valvular disease or thrombus in the left ventricle

• Ultrasound of abdomen to detect aortic aneurysm

• Duplex angiography of the lower limbs to detect atherosclerotic plaque in iliac or femoral arteries.

Having located the source of the emboli, appropriate treatment can be given. In general, antiplatelet therapy with aspirin is the usual treatment.

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