A patient admitted to the unit displays the following cardiac rhythm on telemetry. What is the estimated heart rate?

120 beats/minute
80 beats/minute
40 beats/minute
Unable to calculate with the strip provided.
The Correct Answer is B
The RR interval is 7.5 big boxes, multiplied by 10 makes it 75, rounded off is 80 beats per minute.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. "The decreased HDL level will increase the amount of cholesterol moved away from the artery walls":
This statement is incorrect. High-density lipoprotein (HDL) is often referred to as "good" cholesterol because it helps remove excess cholesterol from the bloodstream and transport it to the liver for processing. A decreased HDL level is associated with an increased risk of cardiovascular disease, not with moving cholesterol away from artery walls.
B. "Increased LDL and decreased HDL increase my risk of coronary artery disease":
This statement is correct. Low-density lipoprotein (LDL) is often referred to as "bad" cholesterol because elevated LDL levels contribute to the buildup of plaque in the arteries, increasing the risk of coronary artery disease (CAD). Conversely, decreased HDL levels are associated with reduced cholesterol removal from the bloodstream, further increasing the risk of CAD.
C. "Increased LDL has the potential to decrease my risk of heart disease":
This statement is incorrect. Elevated LDL levels are a major risk factor for heart disease and are associated with an increased risk of atherosclerosis and cardiovascular events.
D. "The increased LDL will decrease the amount of cholesterol deposited on the artery walls":
This statement is incorrect. Increased LDL levels contribute to the deposition of cholesterol on artery walls, leading to the formation of plaque and narrowing of the arteries, which is detrimental to heart health.
Correct Answer is C
Explanation
A. "Yes. Hypertension is prevalent among men; it is fortunate we caught this during your routine examination.": This response is premature as it assumes a diagnosis of hypertension based on a single elevated blood pressure reading without further assessment or confirmation.
B. "We will need to reevaluate your blood pressure because age places you at high risk for hypertension.": While age is a risk factor for hypertension, it is important not to jump to conclusions based on one blood pressure reading. Reevaluation and monitoring are necessary before making any definitive diagnoses or treatment decisions.
C. "A single elevated blood pressure does not confirm hypertension. You will need to have your blood pressure reassessed several times before a diagnosis can be made.": This response is appropriate because it acknowledges the need for further assessment and monitoring before determining if the client has hypertension. It also educates the client about the importance of multiple readings for an accurate diagnosis.
D. "You have no need to worry. Your pressure is probably elevated because you are being tested.": This response dismisses the client's concerns and does not provide accurate information about blood pressure assessment and hypertension diagnosis.
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