PAROXYSMAL SV TACHYCARDIA

Question 1

what is paroxysmal SV tachycardia

Answer 1

causes heart to suddenly beat faster than normal for a short while
occurs in atria

Question 2

treatment of paroxysmal SV tachycardia

Answer 2

1. often stops spontaneously
2. vagal simulation
3. give IV adenosine if ineffective
4. IV verapamil (avoid in pt recently treated with BB)

Question 3

Examples of vagal stimulation

Answer 3

• VALSALVA manoeuvre
• immerse face in ice cold water
• carotid sinus massage
• these manoeuvres should be perfumed with ECG monitoring

Question 4

how to treat and prevent recurrent episodes of paroxysmal SV tachycardia

Answer 4

treat: catheter ablation
prevent: dilt, verap, BB including sotalol, flecainide, propafenone