A client in an urgent care clinic states "My heart feels like it is skipping beats every now and then." A 12-lead electrocardiogram (ECG) shows a extra P-wave. The nurse should understand that this ECG finding represents which of the following conditions?
Atrial fibrillation
Atrial flutter
Premature atrial contractions
Stable angina
The Correct Answer is C
A. Atrial fibrillation is characterized by an irregularly irregular rhythm and absence of distinct P-waves.
B. Atrial flutter typically presents with "saw-tooth" flutter waves rather than extra P-waves.
C. Premature atrial contractions (PACs) are identified by the presence of extra P-waves on an ECG.
D. Stable angina is related to chest pain and does not have specific ECG findings such as extra P-waves.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. The correct timing for taking a second nitroglycerin tablet is after 5 minutes if the first one does not relieve chest pain, not 10 minutes.
B. Nitroglycerin tablets should generally be replaced every 6 months to ensure potency, not 3 months.
C. Tingling of the tongue is a common side effect of nitroglycerin and does not require discontinuation of the medication or medical attention.
D. Nitroglycerin can cause orthostatic hypotension, so clients should change positions slowly to prevent dizziness or fainting.
Correct Answer is D
Explanation
A. Lisinopril is not used to reduce LDL cholesterol and triglycerides; statins are used for that purpose.
B. Lisinopril does not prevent platelet aggregation; antiplatelet agents like aspirin are used for that purpose.
C. Lisinopril is not used to relieve acute angina; nitrates like nitroglycerin are used for that purpose.
D. Lisinopril is an ACE inhibitor that helps decrease blood pressure and reduce the workload on the heart, which is beneficial in managing chronic stable angina.
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