Arrhythmias Quiz 2
Arrhythmias Quiz 2
Quiz Summary
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Question 1 of 10
1. Question
1. A 62-year-old woman is seen in the emergency department and reports crushing chest pain. She tells you that she is likely to die from it. You obtain a 12-lead ECG and find the following tracing on the 6-second strip of lead II:
What is the most appropriate treatment to address the problem in this patient?
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Tip: One can calculate the rate in this rhythm strip: Rate = 60 ÷ RR interval (seconds) In between two R-R waves, we count 7 to 8 big boxes. Conventional ECG tracings record each big box equal to 0.2 seconds. An R-R interval of 7 big boxes is equal to 1.4 seconds. Therefore, Rate = 60/1.4 or about 43 bpm. The patient has bradycardia.
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Question 2 of 10
2. Question
2. A 67-year-old patient is brought in by ambulance. His chief complaint is shortness of breath, dizziness, and palpitations. The paramedics report that the patient’s heart rate has been 160–180 bpm and regular. He is placed on the cardiac monitor: his oxygen saturation is 92% on room air, his BP is 88/54 mm Hg, and his heart rate is 176 bpm and regular. The monitor shows a regular wide-complex tachycardia. Peripheral pulses are weak. Oxygen is administered to maintain the patient’s oxygen saturation at ≥ 94%. Intravenous access is established. What is the next intervention?
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Question 3 of 10
3. Question
3. A patient arrives at the clinic for a routine physical check-up and has no clinical complaints. You take her vital signs and find that she has a heart rate of 50 bpm. What is the most appropriate treatment?
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Question 4 of 10
4. Question
4. A patient has third-degree heart block. He reports chest pain and is hypotensive and diaphoretic. He also has pulmonary congestion. A large-bore IV has been placed in his left antecubital fossa. He has been given atropine 1 mg intravenously x 3 with only a transient increase in heart rate and no improvement of symptoms. The next intervention should be:
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Question 5 of 10
5. Question
5. A patient in the ED complains of palpitations. He is coherent and ambulatory. You record the following ECG tracing:
What is the first-line treatment of choice?
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Question 6 of 10
6. Question
6. A patient in the emergency department presents with a heart rate of 190 bpm, systolic blood pressure of 70 mm Hg and palpable, and is incoherent when talked to. Her ECG tracing reveals an irregular narrow-complex supraventricular tachycardia. What is the treatment of choice in this case?
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Question 7 of 10
7. Question
7. A patient is being treated for symptomatic bradycardia. After administering the maximum dosage of atropine and initiating transcutaneous pacing, the patient has not improved. What pharmacologic treatment can help this patient?
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Question 8 of 10
8. Question
8. A patient is in PEA. The rhythm on the monitor is narrow complex and rapid. The patient has been involved in a motor vehicle collision. Based on this information, you might suspect:
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Question 9 of 10
9. Question
9. A patient on a cardiac monitor in the emergency department has the following tracing:
What is your diagnosis?
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Question 10 of 10
10. Question
10. A patient passed out when she learned that she passed the SATs with flying colors. After recovering, she is brought emergency department by her parents. She has the following ECG tracing:
What is your interpretation of this ECG finding?
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