T-U wave alternans. A case report and review of the literature.
A patient with severe hypertension, hypokalemia and marked T-U wave alternans on electrocardiogram is reported for its rarity. Relevant literature is reviewed. Recent data indicate that electric alternans is related to changes in action potential configuration, and that it may be a marker of cardiac electrical instability.
Kothari
S S
SS
Institute of Cardiology, New Civil Hospital, Ahmedabad, Gujarat, India.
Patel
T
T
Patel
T K
TK
D001145:Arrhythmias, Cardiac / Q000209:etiology / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000150:complications; D007008:Hypokalemia / Q000150:complications; D008875:Middle Aged; D011654:Pulmonary Edema / Q000150:complications