Skipper Jonas Grumby has a ren difference of 80 mmHg. His renal resistance is 62

Question

Skipper Jonas Grumby has a ren difference of 80 mmHg. His renal resistance is 62 mmHg minutes/Liter. What would be the flow through his kidney? 1. al mean pressure Mary Ann Summers has a CO of 5 Liters/minute, with an aorta-atrial mean pressure difference of 96 mmHg. What is her systemic vascular resistance (SVR)? 2. 3. Professor Roy Hinkley, Jr. has a CO of 8 L/min. His systemic vascular resistance is 13 mmHg minutes/Liter. What is his mean arterial-atrial pressure difference? 4. Ginger Grant aorta is stenotic. The length of the stenosis is 4cm, the diameter is 1.4cm, the viscosity of her blood is 0.75. What is the resistance to flow of this vessel? Mr. Thrusten Howell III has a stroke volume (SV) of 70 ml/beat on echo, his heart rate (HR) was 89 beats/minute. What is his cardiac output at the time of the scan. 5. 6. Mrs. Lovey Howell had a cardiac catheterization procedure where they found her left ventricular angiogram to show that her end-diastolic volume (EDV) was 112 ml and her end-systolic volume was 72 ml. Her heart rate (HR) at the time of the angiogram was 96 beats/minute. What did they find her stroke volume (SV) to be? 7. What was her (Mrs. Howell) cardiac output? 8. Where would you find these people living?

Explanation / Answer

Flow = Pressure difference/ resistance = 80/62 = 1.29 L/min SVR = MAP/ CO = 96/5 = 19.2 mm Hg min/L MAP = SVR×CO = 13×8 = 104 mm Hg Resistance= 8/r4 = 8×0.75×4/(0.7)4 = 31.81 centiPoise (=mPa/sec) CO = SV×HR = 70×89 = 6230 mL/min SV = EDV - ESV = 112 - 72 = 40 mL CO = SV×HR = 40×96 = 3840 mL/min Gilligan's Island

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