Why can cardiac tamponade be a life-threatening condition?
A) Cardiac tamponade can be life-threatening because accumulating fluid in the pericardial cavity restricts heart movement.
B) Cardiac tamponade can be life-threatening because accumulating fluid in the mediastinum restricts heart movement.
C) Cardiac tamponade can be life-threatening because loss of fluid in the pericardial cavity causes friction which causes arrhythmias.
D) Cardiac tamponade can be life-threatening because loss of fluid in the mediastinum causes friction which causes arrhythmias.
E) Cardiac tamponade can be life-threatening because a hole in the heart leads to mixing of oxygenated and deoxygenated blood.
Answer: A
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