This ECG occurred in the setting of a large pericardial effusion causing cardiac tamponade. The pericardial effusion dampens the electrical signal on the ECG causing low voltage to be present (see ...

The 12-lead ECG may show low voltage ... Compression of this bulge may cause hemodynamic compromise and cardiac tamponade. Physical exam findings of cardiac tamponade include sinus tachycardia ...

These symptoms can occur with various heart concerns, but they are most commonly associated with a condition called cardiac tamponade. Cardiac tamponade causes a build-up of a large amount of ...