WebJul 11, 2024 · In specific patient populations, primarily hypovolemic patients with cardiac dysfunction, phenylephrine can increase afterload more so than preload, causing … WebPhenylephrine is the vasopressor of choice in spinal anaesthesia–induced maternal hypotension. However, it results in reflex bradycardia and decrease in cardiac output (CO), an effect that is perhaps less evident with the use of norepinephrine.
Understanding cardiac output - PMC - National Center for …
WebJul 14, 2024 · Phenylephrine may also cause dose-dependent increases in blood pressure and reductions in heart rate and cardiac output (particularly in people with preexisting cardiac dysfunction) by increasing systemic vascular resistance. Phenylephrine belongs to the class of medicines known as nasal decongestants. WebApr 15, 2016 · The effect of phenylephrine is conventionally attributed to afterload increase. The aim of the study is to describe the time course of the effects of phenylephrine on the … ian marshall prudential
Phenylephrine - an overview ScienceDirect Topics
WebBecause of its pressor effects, phenylephrine hydrochloride can precipitate angina in patients with severe arteriosclerosis or history of angina, exacerbate underlying heart failure, and increase pulmonary arterial pressure. 5.2 Bradycardia . Phenylephrine hydrochloride can cause severe bradycardia and decreased cardiac output. 5.3 WebTable 3 showed that phenylephrine decreased pulse pressure variations in the preload-dependent group whereas cardiac output did not change. In a normal functioning heart … mom\u0027s popcorn fremont ne