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A 68 year old women is brought to ED with SOB and a 10 lb weight gain over past two weeks. Pulse is 105, BP is 160/80. Physical exam of neck reveals bilateral jugular venous distension. Abdomen si soft and nontender but positive fluid wave is present. Extremities show a 2 + bilateral pitting edema. She is admitted to medicine service treatment. IV furosemide is administered and diuresis of 5 L of fluid occurs in relatively short time. Lab values afterwards show that her ph has gone up from 7.4-7.49. Bicarb increased from 24 to 35 and pCO2 went from 40-48. 1. What is the most likely explanation for these findings?

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The General Principles section of the USMLE covers these topics:
Biochemistry
Genetics
Microbiology
Pathology
Pharmacology


1. A 68 year old women is brought to ED with SOB and a 10 lb weight gain over past two weeks. Pulse is 105, BP is 160/80. Physical exam of neck reveals bilateral jugular venous distension. Abdomen si soft and nontender but positive fluid wave is present. Extremities show a 2 + bilateral pitting edema. She is admitted to medicine service treatment. IV furosemide is administered and diuresis of 5 L of fluid occurs in relatively short time. Lab values afterwards show that her ph has gone up from 7.4-7.49. Bicarb increased from 24 to 35 and pCO2 went from 40-48. 1. What is the most likely explanation for these findings?





 
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