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A responder is caring for a patient with a history of congestive heart failure. The patient is
experiencing shortness of breath, a blood pressure of 68/50 mm Hg, and a heart rate of
190/min. The patient's lead II ECG is displayed below. (strip missing displays Unstable
supraventricular tachycardia) Which of the following terms best describes this PT?
Unstable supraventricular tachycardia
What is the most appropriate intervention for a rapidly deteriorating patient who has this lead II
ECG? (strip missing displays a persistent tachyarrhythmia)
Synchronized cardioversion
What is the purpose of a medical emergency team (MET) or rapid response team (RRT)?
Improving patient outcomes by identifying and treating early clinical deterioration
What is the recommended assisted ventilation rate for patients in respiratory arrest with a
perfusing rhythm?
10 to 12 breaths per minute
You are evaluating a 58-year-old man with chest pain. The blood pressure is 92/50 mm Hg, the
heart rate is 92/min, the nonlabored respiratory rate is 14 breaths/min, and the pulse oximetry
reading is 97%. What assessment step is most important now?
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, Obtaining a 12-lead ECG
Family members found a 45-year-old woman unresponsive in bed. The patient is unconscious
and in respiratory arrest. What is the recommended initial airway management technique?
Performing a head tilt-chin lift maneuver
A patient in respiratory distress and with a blood pressure of 70/50 mm Hg presents with the
following lead II ECG rhythm: (strip missing displays persistent tachyarrhythmia)
Synchronized cardioversion
A patient has a witnessed loss of consciousness. The lead II ECG reveals this rhythm: (strip
missing displays polymorphic ventricular tachycardia)
Defibrillation
What is the recommended energy dose for biphasic synchronized cardioversion of atrial
fibrillation?
120 to 200 J
Which of the following is an acceptable method of selecting an appropriately sized
oropharyngeal airway (OPA)?
Measure from the corner of the mouth to the angle of the mandible.
Which is a contraindication to nitroglycerin administration in the management of acute
coronary syndromes?
Right ventricular infarction and dysfunction
What is the recommended initial intervention for managing hypotension in the immediate
period after return of spontaneous circulation (ROSC)?
Administration of IV or IO fluid bolus
Which is an appropriate and important intervention to perform for a patient who achieves ROSC
during an out-of-hospital resuscitation?
Transport the patient to a facility capable of performing PCI.
What is the immediate danger of excessive ventilation during the post-cardiac arrest period for
patients who achieve ROSC?
Decreased cerebral blood flow
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