Phenylephrine is an alpha agonist, which produces peripheral arteriolar constriction, thereby increasing afterload and causing reflex bradycardia in most cases.

A definite NO. Phenylephrine causes marked increase in systolic, diastolic, and pulmonary pressures, as well as reflex bradycardia.

There is no combining vowel in bradycardia.

SV bradycardia means supraventricular bradycardia - a slow heart rate generated by sinus node.

Brady Cardia can become life threatening if it is ingested in the human body.