IBHRE Syncope and Autonomic Disorders 3

Question 1

Which of the following is an example of situational reflex syncope?

Accepted Answer

Micturition syncope

Answer

Syncope upon standing from a seated position

Answer

Syncope during sustained exercise

Answer

Syncope due to arrhythmia onset

Question 2

An implantable loop recorder (ILR) is most appropriately indicated for:

Accepted Answer

Patients with recurrent unexplained syncope after a complete initial evaluation

Answer

Patients with daily syncope episodes on telemetry monitoring

Answer

Patients with typical vasovagal syncope and clear triggers

Answer

Patients with syncope and known sustained VT on prior Holter

Question 3

Neurogenic orthostatic hypotension is commonly associated with which of the following conditions?

Accepted Answer

Parkinson's disease

Answer

Essential hypertension

Answer

Hyperthyroidism

Answer

Mitral valve prolapse

Question 4

The EGSYS (Evaluation of Guidelines in Syncope Study) score is primarily used to:

Accepted Answer

Predict the probability of a cardiac (arrhythmic) cause of syncope

Answer

Assess functional severity of heart failure

Answer

Guide selection of antiarrhythmic drug therapy

Answer

Determine candidacy for cardiac resynchronization therapy

Question 5

Physical counterpressure maneuvers (PCMs) such as leg crossing with muscle tensing and handgrip are recommended as first-line treatment for:

Accepted Answer

Prodromal vasovagal syncope with warning symptoms

Answer

Syncope due to ventricular tachycardia

Answer

Syncope due to complete AV block

Answer

Unexplained syncope without prodrome

Question 6

An HV interval of 70 ms or greater found during an electrophysiology study in a syncope patient is significant because it indicates:

Accepted Answer

Significant infranodal conduction disease increasing risk of high-degree AV block

Answer

Normal His-Purkinje conduction

Answer

Accessory pathway-mediated tachycardia

Answer

Sinus node dysfunction

Question 7

Which of the following lifestyle modifications is a cornerstone of management for patients with POTS?

Accepted Answer

High fluid intake (2–3 L/day), high sodium diet, and compression garments

Answer

Fluid restriction and low-sodium diet to reduce cardiac preload

Answer

Strict bed rest to minimize orthostatic stress

Answer

Elimination of all aerobic exercise to prevent tachycardia