Fisdap Cardiology Questions & 100% Correct
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With regard to the electrocardiogram (ECG), what is artifact?
A) significant abnormality discovered by the paramedic
B) The complete absence of electrical activity on the ECG
C) Electrical interference that can make diagnosis difficult
D) Improper lead placement, resulting in misdiagnosis
✓ -:- C) Electrical interference that can make diagnosis difficult
Artifact refers to an ECG tracing that is the result of interference, such as patient
movement, deep breathing, or muscle tremors, rather than the heart's
electrical activity. Artifact can make diagnosis of the ECG difficu lt or impossible. To
minimize artifact on the ECG, make sure the patient is lying supine; if the
patient is experiencing respiratory distress, place him or her in a semi-Fowler's position.
Ensure that the patient's arms are relaxed by his or her side and his
or her feet are uncrossed.
The AED analyzes your pulseless and apneic patient's cardiac rhythm and advises that a
shock is NOT indicated. You should:
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A) assess for a pulse for no more than 10 seconds.
B) resume CPR, starting with chest compressions.
C) open the patient's airway and check for breathing.
D) reanalyze the cardiac rhythm for positive confirmation.
✓ -:- B) resume CPR, starting with chest compressions.
If the AED advises "no shock;' you should immediately resume CPR, starting with chest
compressions. Unless the patient starts to move or has other signs of
life (ie, coughing), stopping CPR to assess for a pulse should be avoided because it just
causes an unnecessary delay in performing chest compressions. The AED is a highly reliable
device; if it advises that a shock is or is not indicated, take its word for it! There is no need to
reanalyze the patient's cardiac rhythm;
this merely causes an unnecessary delay in defibrillation (if indicated) and chest
compressions.
A 60-year-old man is in cardiac arrest. You begin CPR while your partner applies the AED.
What should you do if you receive a no shock
message?
A) Assess for a carotid pulse for up to 10 seconds.
B) Resume CPR, starting with chest compressions.
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C) Ensure that the AED electrodes are properly applied.
D) Reanalyze his cardiac rhythm after 30 seconds of CPR.
✓ -:- B) Resume CPR, starting with chest compressions.
If the AED gives a no shock advised message, you should immediately resume CPR, starting
with chest compressions. After 2 minutes of CPR, reanalyze the
patient's cardiac rhythm and follow the AED voice prompts. You should not assess for a
pulse if the AED gives a no shock message; this will simply cause an
unnecessary delay in pe1iorming chest compressions. Rarely, if ever, does CPR alone
restore a normal cardiac rhythm and pulse. If the AED electrodes are
improperly applied, it will not analyze the patient's cardiac rhythm; instead, you will receive
a "check patient" or "check electrodes" message. Continue CPR,
rhythm analysis every 2 minutes, and defibrillation (if indicated) until ALS personnel arrive
or the patient starts to move.
Which of the following describes pulseless electrical activity (PEA)?
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A) disorganized, chaotic quivering of the heart muscle that does not generate a pulse
B) The presence of a palpable pulse in the absence of any electrical activity in the heart
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C) A rapid cardiac rhythm that does not produce a pulse, but responds to defibrillation
D) Any organized cardiac rhythm, slow or fast, that does not produce a palpable pulse
✓ -:- D) Any organized cardiac rhythm, slow or fast, that does not produce a palpable
pulse
Pulseless electrical activity (PEA) is a condition in which the heart produces organized
electrical activity (slow or fast), despite the absence of a palpable
pulse. A disorganized, chaotic quivering of the heart muscle that does not generate a pulse
is called ventricular fibrillation (V- Fib), and is treated with
defibrillation. Defibrillation is not indicated for patients with PEA; it is indicated only for
patients with V-Fib or pulseless ventricular tachycardia (V-Tach). If
the AED gives a no shock message and the patient is still pulseless, he or she is either in
asystole or PEA, neither of which is a shockable rhythm.
Which of the following questions would be MOST appropriate to ask when assessing a
patient with chest pain?
A) What does the pain feel like?
B) Does the pain radiate to your arm?
C) Would you describe the pain as sharp?
D) Is the pain worse when you take a deep breath?
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