Scenario: The electrocardiographic (ECG) rhythm strips in lead V1 shown below are 2 separate alarms from a 68-year-old man admitted to the intensive care unit (ICU) with respiratory distress. The patient has a history of chronic obstructive pulmonary disease (COPD) and diabetes. The ventricular tachycardia (V-Tach) alarm in strip A occurred soon after the patient was admitted to the ICU. The patient was short of breath (SOB) but was alert and oriented, his heart rate was 150/min, SpO2 90%, and blood pressure 112/68 mm Hg. Several more alarms with a similar ECG pattern occurred with SOB but no vital sign changes, and the alarms subsided once the patient was resting comfortably and his heart rate dropped below 100/min. The second strip (B) occurred just after the patient received a breathing treatment. The nurse noticed that during this alarm,...

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