#Question id: 11018
#I Life Science/ Life Sciences Group – I-V
A 50-year-old man has a blood pressure of 140/85 and weighs 200 lb. He reports that he is not feeling well, his EKG has no P-waves, he has a heart rate of 46, and the QRS complexes occur regularly. What is his likely condition?
#Question id: 11019
#I Life Science/ Life Sciences Group – I-V
An 80-year-old man had an EKG taken at his local doctor’s office, and the diagnosis was atrial fibrillation. Which of the following statements are likely conditions in someone with atrial fibrillation?
#Question id: 11020
#I Life Science/ Life Sciences Group – I-V
Circus movements in the ventricle can lead to ventricular fibrillation. Which of the following conditions in the ventricular muscle will increase the tendency for circus movements?
#Question id: 11021
#I Life Science/ Life Sciences Group – I-V
A 75-year-old man goes to the hospital emergency department and faints. Five minutes later he is alert. An EKG shows 75 P waves per minute and 35 QRS waves per minute with a normal QRS width. Which of the following is the likely diagnosis?
#Question id: 11022
#I Life Science/ Life Sciences Group – I-V
A 55-year-old man had the following EKG recorded at his doctor’s office during a routine physical examination.
What is his diagnosis?
#Question id: 11024
#I Life Science/ Life Sciences Group – I-V
A 55-year-old man has been diagnosed with Stokes-Adams syndrome. Two minutes after the syndrome starts to cause active blockade of the cardiac impulse, which of the following is the pacemaker of the heart?