Acute renal infarction due to emboli represents a very rare but significant threat for kidney loss, and the clinical presentation is challenging. The differential diagnosis of massive renal thrombi includes all other causes of abdominal pain, and they can be easily misdiagnosed as renal colic due to nephrolithiasis. Although there are a few case reports regarding the possibility that cardiac emboli may cause acute kidney infarction, intracardiac thrombi within the ventricular cavity diagnosed by echocardiography as a cause of such renal artery occlusion have never been reported in patients with cardiomyopathy. Herein, we describe a 39-year-old male with a history of ischemic dilated cardiomyopathy. He was admitted to our hospital with left upper abdominal pain and vomiting. After serial examinations and tests, the diagnosis of acute renal infarction due to intracardiac thrombus embolization as a result of severely reduced cardiac function was made.
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