Antiarrhythmics

Question 1

Type 1A NAD channel blockers works by

Answer 1

Depressing phase 0 by prolonging repolarization

Question 2

Type 1B Na channel blockers work by

Answer 2

Selective depression of phase 0 in ischemic tissue-shortens repolarization

Question 3

Type 1C Na channel blockers work by

Answer 3

Markedly depressing phase 0 with little effect on repolarization

Question 4

Type II class II Na channel blockers work by

Answer 4

Decreasing slope of phase 4

Question 5

Type III Class III. Na channel blockers work by

Answer 5

Prolonging phase 3-prolong action potential duration

Question 6

Type IV Class IV Na channel blockers work by

Answer 6

Prolonging phase 2

Question 7

Non-pharmacological treatments for arrhythmia

Answer 7

Cardiac ablation

ICD