The most common cause of renal artery stenosis is atherosclerosis, the same condition that causes narrowing of the arteries in coronary heart disease and stroke, and the risk factors are the same as well. Cholesterol plaques build up along the walls of the renal artery and gradually cause narrowing.
Oxytocin is a commonly used uterotonic that can cause significant and even fatal hypotension, particularly when given as a bolus. The resulting hypotension can be produced by a decrease in systemic vascular resistance or cardiac output through a decrease in venous return.
Cardiac stress test - Adverse effects. 1  Side effects from cardiac stress testing may include. 2  Palpitations, chest pain, myocardial infarction, shortness of breath, headache, nausea or fatigue. 3  Adenosine and dipyridamole can cause mild hypotension.