We investigated the incidence and severity of echocardiographic and clinical abnormalities in patients with psoriasis and their relationship to the severity, duration and type of psoriasis and other related factors. A total of 216 psoriasis patients and 216 control subjects were included in this study. Left and right heart dimensions, wall thicknesses, wall motion abnormalities, valvular disturbances, and systolic and diastolic functions were examined using two-dimensional and Doppler echocardiographic techniques. Left ventricular hypertrophy, left ventricular diastolic dysfunction, left ventricular wall motion abnormalities and valvular pathologies, especially mitral and tricuspid valve prolapse, were significantly more frequent in patients with psoriasis. Systolic and diastolic blood pressures were significantly higher in psoriasis patients. Significant correlations were found between: (i) psoriasis vulgaris and tricuspid valve prolapse; (ii) palmo-plantar psoriasis and valvular pathologies; and (iii) disease duration and left ventricular diastolic dysfunction and systolic and diastolic blood pressures. Physicians should be aware that cardiovascular abnormalities are common in patients with psoriasis.