AND CORRECT DETAILED ANSWERS|AGRADE
Mr. Adams, a 68 yo patient, complains of feeling "a little funny in his chest." His ECG shows atrial
fibrillation/flutter. Which of the following medications could be used to treat his cardiac rhythm? 1.
Digoxin
2. Nifedipine
3. Diltiazem
4. Adenosine - ANSWER-Diltiazem
A QRS complex wider than 0.12 seconds most likely indicates:
1. Normal sinus node conduction
2. Bundle branch block
3. Second degree heart block
4. myocardial infarction - ANSWER-bundle branch block
The following rhythm represents: - ANSWER-First degree HB
Special care should be exercised when administering IV dopamine because:
1. Infiltration leads to tissue necrosis
2. High doses may lead to a profound bradycardia
3. Precipitation can occur when used in a dextrose IV solution
4. even low doses decrease renal perfusion - ANSWER-Infiltration leads to tissue necrosis
The following strip is: - ANSWER-Aflutter
A strong ventricular stimulus is potentially dangerous when it lands on the:
1. U wave
2. P wave
,3. T wave
4. QRS complex - ANSWER-T wave
The rhythm strip below shows: - ANSWER-VTach
An indication for use of an external cardiac pacemaker includes:
1. paroxysmal atria tachycardia
2. Ventricular fibrillation
3. Wenckebach (Mobitz Block Type 1)
4. Symptomatic complete heart block - ANSWER-Symptomatic complete heart block
In the following rhythm strip the transvenous pacemaker shows:
1. Failure to sense
2. Demand pacing
3. Failure to fire
4. Failure to capture - ANSWER-Failure to sense
The initial drug treatment for sustained ventricular tachycardia when a pulse is present is:
1. Isuprel 1.0 mg in 250 ml D5W drip
2. Epinephrine 1.0 mg IV push
3. Atropine 0.5 mg IV push
4. Amiodarone 150 mg IV over 10 mn - ANSWER-Amiodarone 150 mg IV over 10 min
The rhythm strip below is: - ANSWER-Vfib
The cardiac rhythm of atrial flutter is:
1. benign condition in most people
2. normal following AMI
, 3. hazardous, as the ventricular ate may suddenly increase
4. hazardous, as it may progress to second degree heart block - ANSWER-Hazardous, as the
ventricular rate may suddenly increase
Upon recognizing ventricular fibrillation in an ICU, the next thing the nurse should do is:
1. perform a precordial thump
2. establish unresponsiveness
3. give amiodarone IV
4. check the ECG leads - ANSWER-Establish unresponsiveness
The treatment in an emergency situation for complete heart block is:
1. a trial of atropine
2. preparing for transcutaneous pacing
3. doing cardiac compressions
4. using digoxin - ANSWER-Preparing for transcutaneous pacing
Your patient has atrial flutter with a ventricular response of 150 beats per minute. Therapy for this
rhythm includes:
1. Digoxin, a temporary pacemaker, potassium chloride
2. Lidocaine, sodium bicarb, cardioversion
3. Amiodarone, cardizem, cardioversion
4. Isordil, nitropaste, pronestyl - ANSWER-Amiodarone, cardizem, cardioversion
Signs of cardiac tamponade do not include which response below?
1. distended neck veins
2. pulsus paradoxus
3. decreased systolic pressure
4. bradycardia - ANSWER-bradycardia