A nurse is reviewing ECG rhythm strips for a group of clients. The nurse should identify that which of the following rhythms indicates bradycardia?
A
B
C
D
The Correct Answer is C
Sinus bradycardia is a type of cardiac arrhythmia characterized by a heart rate lower than 60 beats per minute in adults, or below the normal range for age in children. It can be diagnosed by an electrocardiogram (ECG) that shows regular P waves with constant morphology preceding every QRS complex, and positive in lead II.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
An incentive spirometer is a device that helps improve lung function by encouraging deep breathing and preventing atelectasis (collapse of alveoli) after surgery or prolonged bed rest. The client should position the mouthpiece firmly in their mouth, inhale deeply and slowly through the mouthpiece until the indicator reaches the desired level, hold their breath for 3 to 5 seconds, and then exhale normally through their nose or mouth.
Exhaling slowly through pursed lips or placing hands on the upper abdomen are techniques that can help with dyspnea (shortness of breath), but are not part of using an incentive spirometer. Positioning the mouthpiece 2.5 cm.
Correct Answer is A
Explanation
The nurse should measure the client's blood pressure first, as sinus bradycardia can cause hypotension and decreased perfusion to vital organs. The nurse should assess the client's hemodynamic status and symptoms before initiating any interventions that may affect their heart rate or rhythm. The other options may be appropriate depending on the severity of the bradycardia and its underlying cause, but they are not the first priority.
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