Cardiology - Group 3 | Medical Hub

41. What is the most common cause of atrial flutter?

A) Atrial macro-reentry circuit (usually around tricuspid annulus) B) Focal atrial tachycardia C) Post-cardiac surgery D) Valvular disease

42. What is the typical rate of atrial flutter (untreated)?

A) 150 bpm (2:1 block) B) 75 bpm C) 100 bpm D) 300 bpm (flutter waves)

43. What is the treatment for acute atrial flutter?

A) Rate control or rhythm control; anticoagulate as for AF B) Immediate cardioversion C) Digoxin alone D) Ablation as first-line

44. What is the best treatment for typical atrial flutter?

A) Catheter ablation of CTI B) Amiodarone C) Dofetilide D) Rate control

45. What is the most common cause of obstructive shock?

A) Massive pulmonary embolism B) Cardiac tamponade C) Tension pneumothorax D) Aortic stenosis