the: - Correct Answer myocardium.
The nurse clarifies that the master pacemaker of the heart is the: - Correct Answer sinoatrial (SA) node.
What is the second step in the path of blood through the coronary circulation? - Correct Answer Right
atrium
What is the third step in the impulse pattern of conduction through the heart? - Correct Answer
The nurse identifies the "lub" sound of the "lub/dub" of the cardiac cycle as the sound of the: - Correct
Answer AV valves closing.
The nurse is aware that the symptoms of an impending myocardial infarction (MI) differ in women
because acute chest pain is not present. Women are frequently misdiagnosed as having: - Correct
Answer indigestion
The nurse caring for a patient recovering from a myocardial infarct who is on remote telemetry
recognizes the need for added instruction when the patient says: - Correct Answer "I always take off the
telemetry device when I shower."
The nurse assesses pitting edema that can be depressed approximately 1/4 inch and refills in 15
seconds. The nurse would document this assessment as: - Correct Answer +2 edema.
What do dark or "cold" spots on a thallium scan indicate? - Correct Answer Tissue that has inadequate
perfusion
The nurse is treating a patient who had a pacemaker inserted 8 years ago for the correction of atrial
fibrillation. Which diagnostic test may no longer be available to the patient because of this older model
implanted device? - Correct Answer MRI
, The nurse recognizes the echocardiogram report that shows an ejection factor of 42% as an indication
of: - Correct Answer moderate heart failure.
The nurse takes into consideration that age-related changes can affect the peripheral circulation
because of: - Correct Answer sclerosed blood vessels.
The nurse notes a run of three ventricular contractions (PVC) that are not preceded by a P wave. This
particular arrhythmia can progress into: - Correct Answer ventricular tachycardia and death.
Which lidocaine preparation is appropriate for the treatment of cardiac dysrhythmias? - Correct Answer
Injectable lidocaine without preservative
The nurse assessing a cardiac monitor notes that the cardiac complexes each have a P wave followed by
a QRS and a T. The rate is 120. The nurse recognizes this arrhythmia as: - Correct Answer sinus
tachycardia.
The nurse reminds the patient who is on Coumadin for the treatment of atrial fibrillation that the ideal is
to maintain the international normalized ratio (INR) at between: - Correct Answer 2 and 3.
A patient is admitted to the acute care telemetry unit with a diagnosis of atrial fibrillation. The physician
orders dofetilide (Tikosyn). Before initiating this medication, the nurse will - Correct Answer assess
potassium level.
What should a person with unstable angina avoid? - Correct Answer Shoveling snow
A patient, age 72, was admitted to the medical unit with a diagnosis of angina pectoris. Characteristic
signs and symptoms of angina pectoris include: - Correct Answer substernal pain that radiates down the
left arm.
Which statement is true regarding the pain associated with angina? - Correct Answer It is highly variable
in intensity and location.