Hypotension is a blood pressure reading that is 20% less than the patient's normal baseline pressure.Hypovolemia is the most common cause of hypotension; however,hypotension may also be caused by cardiac dysfunctions.Which triad of cardiac conditions will present with hypotension?

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Hypotension has been defined as a blood pressure reading that is 20% less than baseline or preoperative blood pressure measurement.It indicates either relative or absolute hypovolemia.Cardiac output and vascular resistance determine blood pressure.Hypotension may be caused by cardiac dysfunction (such as myocardial infarction,tamponade,embolism,ischemia,dysrhythmias,congestive heart failure,valvular dysfunction)or by medications (including anesthetic agents).

Hypotension Is a Blood Pressure Reading That Is 20% Less