Identify the following Cardiac Rhythm:
Sinus Tachycardia
Ventricular Tachycardia
Complete Heart Block
Idioventricular Rhythm
The Correct Answer is B
A. A sinus tachycardia is characterized by a sinus P wave at a rate of more than 100 per minute followed by a narrow QRS complex unlike in the strip depicted above.
B. The above ECG strip shows a ventricular tachycardia based on the wide QRS with a rate more than 120 bpm, AV dissociation and the fusion beats.
C. A complete heart block is characterized by QRS complexes being conducted at their own rates and totally independent of the P wave.
D. An idioventricular rhythm is characterized by a slow regular ventricular rhythm with a rate less than 50 bpm unlike in the above strip. It also has a prolonged QRS interval with no P wave.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Rationale:
A. Petechiae are small, pinpoint red or purple spots on the skin that may indicate bleeding or thrombocytopenia, which can be a side effect of heparin therapy.
B. Slowing pulse rate is not typically associated with heparin therapy.
C. Confusion is not typically associated with heparin therapy.
D. Pruritus (itching) is not typically associated with heparin therapy.
Correct Answer is B
Explanation
A. A sinus tachycardia is characterized by a sinus P wave at a rate of more than 100 per minute followed by a narrow QRS complex unlike in the strip depicted above.
B. The above ECG strip shows a ventricular tachycardia based on the wide QRS with a rate more than 120 bpm, AV dissociation and the fusion beats.
C. A complete heart block is characterized by QRS complexes being conducted at their own rates and totally independent of the P wave.
D. An idioventricular rhythm is characterized by a slow regular ventricular rhythm with a rate less than 50 bpm unlike in the above strip. It also has a prolonged QRS interval with no P wave.
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