A nurse is collecting data about a client's cardiac functioning. The nurse auscultates an S3 sound. Which of the following causes should the nurse suspect?
Atrial gallop
Ventricular gallop
Closing of semilunar valves
Closing of the atrioventricular valves
The Correct Answer is B
A. Atrial gallop: An atrial gallop is associated with the S4 heart sound, which occurs before the S1 sound due to the atrial contraction.
B. Ventricular gallop: An S3 heart sound is known as a ventricular gallop and is often a sign of heart failure or fluid overload. It occurs during early diastole when the ventricle fills rapidly.
C. Closing of semilunar valves: The closing of the semilunar valves (aortic and pulmonary) produces the S2 heart sound, not the S3 sound.
D. Closing of the atrioventricular valves: The closing of the atrioventricular valves (mitral and tricuspid) produces the S1 heart sound, not the S3 sound.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Atrial gallop: An atrial gallop is associated with the S4 heart sound, which occurs before the S1 sound due to the atrial contraction.
B. Ventricular gallop: An S3 heart sound is known as a ventricular gallop and is often a sign of heart failure or fluid overload. It occurs during early diastole when the ventricle fills rapidly.
C. Closing of semilunar valves: The closing of the semilunar valves (aortic and pulmonary) produces the S2 heart sound, not the S3 sound.
D. Closing of the atrioventricular valves: The closing of the atrioventricular valves (mitral and tricuspid) produces the S1 heart sound, not the S3 sound.
Correct Answer is D
Explanation
A. Valve disorder: While valve disorders can cause fatigue and dyspnea, the client’s history of hypertension, tachycardia, hypercholesteremia, and medication noncompliance are more suggestive of heart failure rather than a valve disorder.
B. Asthma: Asthma typically presents with wheezing, shortness of breath, and chest tightness. It is less likely to be the cause of symptoms in this scenario, where cardiac conditions and medication noncompliance are noted.
C. Pulmonary embolism: While pulmonary embolism can cause dyspnea and tachycardia, the client's chronic cardiovascular history and edema are more consistent with heart failure than an acute pulmonary embolism.
D. Heart failure: The client has a history of hypertension, tachycardia, and hypercholesteremia, along with medication noncompliance, tachycardia, and edema. These are classic signs of heart failure, making this the most likely diagnosis
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