Tachycardia

Question 1

Name the different types of tachycardias

Answer 1

Irregular
Atrial Fibrillation
Atrial Flutter with variable block
Multifocal Atrial Tachycardia

Regular
Sinus Tachycardia
Atrial Tachycardia
Atrial flutter
Atrioventricular re-entry Tachycardia
Atrioventricular node re-entry Tachycardia
Automatic junctional tachycardia

Question 2

Most common cause of palpitations in patients with structurally normal hearts

Answer 2

AV node reentry tachycardia

Question 3

Clinical features of AVNRT

Answer 3

Paroxysmal, spontaneous or provoked by caffeine, exertion, tea or alcohol.
Drop in BP resulting in presyncope or syncope.
If they have underlying CAD may have angina like pain
SOB
Anxiety
Polyuria (elevated atrial press. releasing atrial natriuretic peptide)
HR : 140-280

Question 4

Pathophysiology of AVNRT

Answer 4

https://lifeinthefastlane.com/avnrt-ecg/