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) 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?
4|Page | Grade A+| 2024/2025
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