Ch. 25 Antidysrythmics Review

Question 0

____ ____ and ____ ____ I potential adverse effects of procainamide therapy.

Answer 0

Ventricular dysrhythmias; blood disorders

Question 1

Vaughn Williams class III drugs increase the ____ potential duration by ____ repolarization in phase 3.

Answer 1

Action; prolonging

Question 2

Adverse effects of antidysrythmics include ____ and orthostatic hypertension that may cause injury.

Answer 2

Hypersensitivity

Question 3

Quinidine, a chinchona alkaloid, May cause the symptoms of seen cinchonism, including ____, loss of _____, slight blurring of ____, and GI upset.

Answer 3

Tinnitus; hearing; vision

Question 4

Lidocaine is the drug of choice for acute ____ dysrhythmias associated with myocardial infarction.

Answer 4

Ventricular

Question 5

Adenosine has an extremely short half-life of less than 10 seconds; it’s onset occurs within one minute; and it must be given as a fast IV push injection. A very brief episode of ____ May occur after administration.

Answer 5

Asystole

– Asystole is a cardiac standstill with no CO and no ventricular depolarization.

Question 6

Because lidocaine is metabolized primarily by the ____, a ___ of the dosage by 50% maybe necessary in cases of ____ failure or cirrhosis.

Answer 6

Liver; reduction; liver

Question 7

____ ____ ____ are possible if lidocaine reaches toxic levels.

Answer 7

Significant adverse effects

Question 8

Many antidysrhythmics are themselves capable of producing new ____.

Answer 8

Dysrhythmias

Question 9

Diltiazem (cart is them) is indicated for the temporary control of a ____ ventricular response in a patient with atrial fibrillation or flutter and paroxysmal supraventricular ____.

Answer 9

Rapid; tachycardia