EKG - Physio I Phase 2

Phase 2

ECG and Blood Flow

Multiple Choice

A 60-year-old man visits his family practitioner for his yearly examination. He has a blood pressure of 180/100 mm Hg, a heart rate of 78 beats/min, and a pulse pressure of 80 mm Hg. His plasma cholesterol level is in the upper 25th percentile. A decrease in which of the following is the most likely explanation for the high pulse pressure in this patient?

• Heart Rate

• Arterial compliance

• Total Peripheral Resistance (TPR)

• Arterial Pressure

• Stroke Volume (SV)

Multiple Choice

P-R interval = 0.17 seconds, QRS complex is 0.11 seconds and the voltage is 2.9 mV, the S-T segment is 0.075 mV and the mean electrical axis is 127 degrees. What is your diagnosis?

• left ventricular hypertrophy

• left ventricular injury

• right ventricular injury

• left ventricular bundle branch block

• right ventricular hypertrophy