robin082006
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A 53-year-old Caucasian female is admitted to the ER with hypotension. Her condition is considered very serious, and invasive hemodynamic monitoring is established. Blood pressure measured by intra-arterial method is 72/46 mmHg. Her heart rate is 120/min, regular. Pulmonary capillary wedge pressure (PCWP) estimated using Swan-Ganz catheter is 6 mmHg. Mixed venous oxygen concentration (MVo2) is 16 vol% (N = 15.5 vol%). Which of the following is the most likely cause of this patient’s condition?
A. Cardiogenic shock
B. Volume depletion
C. Septic shock
D. Volume overload
E. Right ventricular infarction
F. Hemorrhagic shock
G. Neurogenic shock
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| MDcooper
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c
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| doc_clotaire
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It 's seems like a cardiogenic shock . I pick A
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| MDcooper
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it is either vol depletion or septic.
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| sarika
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Mixed venous oxygen concentration (MVo2) is 16 vol% (N = 15.5 vol%
this an only be septic shock
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| robin082006
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yes answer is C
normal MVO2 and PCWP
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| MDcooper
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what is the normal pcwp?
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| sarika
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4-12
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| zeloc
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PCWP is supposed to be decreased in this question, so they are not considering 4-12 as the normal range. What normal values do people use for PCWP and right atrial pressure? maybe 10 for PCWP?
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