Patients with<unk><unk>  may sustain myocardial infarction but it is often clinically silent, and affects less than 8.5% of these patients. Congestive heart failure may be observed in up to 30% of the patients with<unk><unk><unk> . In some patients, congestive heart failure and left ventricular dysfunction are reversible and plasmapheresis may hasten recovery.
Pericarditis, mitral insufficiency and/or aortic insufficiency are seen occasionally<unk><unk><unk> .
The heart in essential mixed cryoglobulinemia
The heart in Wegener's granulomatosis
The heart in juvenile rheumatoid arthritis
The heart in progressive systemic sclerosis 
The heart in Behçet's disease
The heart in rheumatoid arthritis
The heart in temporal arteritis / giant cell arteritis
The heart in sarcoidosis