VERAPAMIL (ISOPTIN, CALAN, VERELAN)

Question 1

CLASS

Answer 1

CALCIUM CHANNEL BLOCKER (CLASS IV ANTIDYSRHYTHMIC)

Question 2

DESCRIPTION

Answer 2

INHIBITS THE MOVEMENT OF CALCIUM IONS ACROSS CELL MEMBRANES. VERAPAMIL DECREASES ATRIAL AUTOMATICITY, REDUCES AV CONDUCTION VELOCITY, AND PROLONGS THE AV NODAL REFRACTORY PERIOD

Question 3

ONSET & DURATION

Answer 3

ONSET- 1-5 MINUTES
DURATION- 30-120 MINUTES

Question 4

INDICATIONS

Answer 4

PT WITH NARROW- COMPLEX REENTRY SVT OR SVT DYSRHYTHMIAS
A-FLUTTER WITH RVR
A-FIB WITH RVR
MULTIFOCAL ATRIAL TACHYCARDIA

Question 5

CONTRADICTIONS

Answer 5

HYPERSENSITIVITY, SICK SINUS SYNDROME, 2ND OR 3RD DEGREE HEART BLOCK, SINUS BRADYCARDIA, HYPOTENSION, CARDIOGENIC SHOCK, SEVERE HEART FAILURE, WPW SYNDROME WITH ATRIAL FIBRILATION OR FLUTTER,

Question 6

ADVERSE REACTIONS

Answer 6

DIZZINESS, HEADACHE, NAUSEA AND VOMITING, HYPOTENSION, BRADYCARDIA, COMPLETE AV BLOCK, PERIPHERAL EDEMA.

Question 7

DRUG INTERACTIONS

Question 8

HOW VERAPAMIL IS SUPPLIED

Answer 8

PARENTERAL- 5 MG/2ML IN 2-,4-,5- ML, VIALS OR 2- ML 4- ML AMPULES

Question 9

DOSAGE AND ADMINISTRATION

Answer 9

INITIAL DOSE- 2.5-5 MG SLOW IV BOLUS OVER 2 MINUTES
REPEAT DOSE- 5-10 MG BOLUS IN 15-30 MINUTE UNTIL DESIRED AFFECT IS ACHIEVED

Question 10

SPECIAL CONSIDERATIONS

Answer 10

PREGNANCY SAFTEY- C
CLOSELY MONITOR VITAL SIGNS
BE PREPARED TO RESUSCITATE
AV BLOCK OR ASYSTOLE MAY OCCUR DUE TO SLOW AV CONDUCTION