Low voltages
More common causes
Obesity
Hypothyroidism
Chronic obstructive pulmonary disease
Pericardial effusion
End-stage renal disease
Malnutrition
Tricuspid regurgitation
Hereditary hemochromatosis
Myocardial infarction
Ischemic cardiomyopathy
Emphysema
Less common causes
Mitral stenosis
Cardiac amyloidosis
Pleural effusion
Pneumothorax
Acute myocarditis
Dilated cardiomyopathy
Anasarca
Restrictive cardiomyopathy
Constrictive pericarditis
Pneumomediastinum
Uncommon causes
Cardiac sarcoidosis