Which of the following cardiac rhythms would you MOST likely encounter in a 6-month-old infant with lethargy, profound respiratory distress, and an oxygen saturation of 79%?
A: An accelerated idioventricular rhythm
B: Bradycardia with or without AV block
C: Tachycardia with ventricular aberrancy
D: SVT with a rate greater than 220/min
Answer: B: Bradycardia with or without AV block
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A 45-year-old male presents with a positive medical history. He reports on the medical history that he has heart problems. As the dental treatment begins, the patient loses consciousness and goes into cardiac arrest. The doctor sends the auxiliary to the front to call for help while he goes to hook up the new oxygen cylinder that had arrived that morning. At the front desk, the assistant asks the receptionist to find the number for the emergency medical service. When the doctor and assistant return to the operatory, they begin two-person CPR with the patient in the dental chair. What will be an ideal response?
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