Clinical implications of low QRS complex voltage.
Low QRS voltage on the 12-lead surface ECG is present when the amplitude of all six standard limb leads is less than 5 mm. This finding may be a normal variant, but necessitates investigation of the patient for an underlying cause. A variety of cardiac and systemic diseases may be responsible.
D004562:Electrocardiography; D006331:Heart Diseases / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D008875:Middle Aged