Which of the following is most cardio depressant
Correct Answer: Halothane
Description: Halothane is direct myocardial depressant, decreases SA node activity and decreases hea rate. Also sensitizes the hea to the arrhythmogenic effectsof epinephrine and hence is contraindicated in pheochromocytoma. Isoflurane , sevoflurane and desflurane at required MAC does not cause much cardiac depression. They dilate the blood vessels and decreases the mean aerial pressure .
Category:
Anaesthesia
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