Methamphetamine-induced dilated cardiomyopathy and pulmonary hypertension
Imaging findings
Cardiac MRI and CT show a severely dilated and hypokinetic left ventricle, a small apical myocardial infarction with an apical thrombus, and pulmonary hypertension with a pulmonary artery larger than the aorta.
Key takeaways
Chronic methamphetamine use is associated with a severe dilated cardiomyopathy, ventricular hypokinesis, and pulmonary hypertension. Vasospasm induced by methamphetamine can lead to myocardial infarction and thrombus formation, and patients with methamphetamine-induced pulmonary hypertension have a significantly worse prognosis than those with idiopathic pulmonary hypertension.
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