Electrocardiographic abnormalities in tropical pulmonary eosinophilia.

A 12 lead electrocardiogram in 70 patients with tropical pulmonary eosinophilia showed abnormalities 28.57%. ECG changes observed were right axis deviation (10%), 'P' pulmonale (10%), clockwise rotation (5.7%), right ventricular hypertrophy (1.4%), partial RBBB (2.8%), first degree A-V block (1.4%) and ST-T changes (1.4%). All ECG changes reverted back to normal after diethyl carbamzine therapy in the dose of 10 mg/kg body weight for a total duration of 14 days.