Figure 031_2_0653. Electrical alternans of the QRS complex in a patient with cardiac tamponade. Figure courtesy of Dr Craig Ainsworth. - McMaster Textbook of Internal Medicine

Figure 031_2_0653.
Electrical alternans of the QRS complex in a patient with cardiac tamponade. Figure courtesy of Dr Craig Ainsworth.

Figure 031_2_0653. Electrical alternans of the QRS complex in a patient with cardiac tamponade. Figure courtesy of Dr Craig Ainsworth.