Echelon Pt 2 Rhythms Questions and Answers with complete solution
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Echelon Pt 2 Rhythms
Institution
Echelon Pt 2 Rhythms
Which is the correct intervention sequence for ventricular fibrillation?
A. Access the patient; initiate CPR; administer epinephrine
B. Access the patient; initiate CPR; defibrillate ASAP
C. Access the patient; defibrillate; intubate
D. Access the patient; synchronize cardioversion; CPR - ️�...
Echelon Pt 2 Rhythms
Which is the correct intervention sequence for ventricular fibrillation?
A. Access the patient; initiate CPR; administer epinephrine
B. Access the patient; initiate CPR; defibrillate ASAP
C. Access the patient; defibrillate; intubate
D. Access the patient; synchronize cardioversion; CPR - ✔️✔️B. Access the patient;
initiate CPR; defibrillate ASAP
Ventricular rhythms have a QRS of 0.10 or greater due to which of the following?
A. Atypical ventricular repolarization
B. Ventricles are stimulated asynchronously
C. Ventricles depolarize early
D. Ventricular irritability - ✔️✔️B. Ventricles are stimulated asynchronously
What rhythm is characterized by a conduction block between the atria and ventricles
resulting in some nonconducted P waves (QRS complex drops) but fixed PR intervals
when the P wave and QRS complex appear together?
A. Bundle branch block (BBB)
B. 2nd degree heart block type II
C. 3rd degree heart block at bundle branch block level
D. Idioventricular rhythm (IVR) - ✔️✔️B. 2nd degree heart block type II
What are premature ventricular complexes (PVCs) that arise from several irritable sites
called?
A. Unifocal premature ventricular complexes
B. Multifocal premature ventricular complexes
C. Premature ventricular complex couplet
D. Trigeminal premature ventricular complexes - ✔️✔️B. Multifocal premature
ventricular complexes
What period of time defines a sustained ventricular tachycardia?
A. 2 seconds
B. 30 seconds
C. 120 seconds
D. 300 minutes - ✔️✔️B. 30 seconds
The P wave is never hidden in which one of the following rhythms?
A. 2nd degree heart block type II
B. 3rd degree heart block
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