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 A
Explanation
A. Intrascapular pain and indigestion can be atypical presentations of myocardial infarction, particularly in women.
B. Pain and swelling in one lower limb suggest deep vein thrombosis (DVT), not myocardial infarction.
C. Elevated serum creatinine indicates kidney dysfunction but is not a direct manifestation of myocardial infarction.
D. Crackles in the lungs and elevated temperature suggest possible infection or heart failure exacerbation, but not specifically myocardial infarction.
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.
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