Evaluate the following data and determine which of the following are correct for
ID: 175747 • Letter: E
Question
Evaluate the following data and determine which of the following are correct for a 75 kg male. Cardiac output = 2.5 liters/min, Heart rate = 115/min, ABP = 80/40, CVP = 0 mm Hg, EF = 70%, PAP = 12/5, PCWP = 2. Identify each statement as correct or incorrect. A=correct B=incorrect
The patient is under-perfusing their tissues
The patient's hemodynamic picture is primarily due to decreased preload
The patient's hemodynamic picture is due to increased afterload
The patient's hemodynamic picture is due to reduced contractility
The stroke volume is low because of tachycardia which is causing insufficient filling time during diastole
The PVR is approximately 170 dynes
The SVR = 1707 dynes
The SV is approximately 22 ml/beat
- A. B.The patient is under-perfusing their tissues
- A. B.The patient's hemodynamic picture is primarily due to decreased preload
- A. B.The patient's hemodynamic picture is due to increased afterload
- A. B.The patient's hemodynamic picture is due to reduced contractility
- A. B.The stroke volume is low because of tachycardia which is causing insufficient filling time during diastole
- A. B.The PVR is approximately 170 dynes
- A. B.The SVR = 1707 dynes
- A. B.The SV is approximately 22 ml/beat
Explanation / Answer
the given data represents pathological condition. So we cant say which is good for 75 kg person.
1) correct
2) incorrect
3) correct
4) correct
5) correct
6) & 7) are incorrect as per calculated formula although PVR is always 10 less than SVR
8) correct
PVR=80 * ( MeanPulmonaryArteryPressure - LeftAtrialPressure) / PulmonaryFlow
SVR= (mean arterial pressure-central venous pressure) * 79.9 / cardiac out put
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