NEET PG DENTAL EXAM

Detailed explanation-1: -Vagal maneuvers can slow down a supraventricular tachycardia (SVT) (fast heart rate) 20% to 40% of the time. However, if you have a fast heart rate again and again, your healthcare provider may prescribe medication for you and/or recommend other treatment, such as catheter ablation.

Detailed explanation-2: -Figure 1 demonstrates this hypothesis schematically: the blood pressure upstroke induces baroreceptor afferent impulses at each heartbeat, which are immediately turned into vagus nerve efferent activity to slow down the sinoatrial node.