Mr. H is a 52-year-old male who presents to the emergency department. His left leg is in a cast, and he states that 1 week ago he was in an automobile crash and broke his upper leg. Since that time he has had difficulty “getting around” and has mostly been lying on the couch watching television. On the evening of admission he noticed a sudden onset of dyspnea and chest pain. He denies having orthopnea, cough, hemoptysis, or wheezing. He smoked two packs of cigarettes a day for 19 years, but quit 3 years ago. Blood Gas Arterial Venous pH 7.51 7.40 PaCO2 30 mmHg 45 mmHg PaO2 60 mmHg 30 mmHg HCO3 24 mEq/l 21 mEq/l BE - 1 - 4 SaO2 90 % 60 % Hb 15 g/dl 15 g/dl Interpret his ABG
Mr. H is a 52-year-old male who presents to the emergency department. His left leg is in a cast, and he states that 1 week ago he was in an automobile crash and broke his upper leg. Since that time he has had difficulty “getting around” and has mostly been lying on the couch watching television. On the evening of admission he noticed a sudden onset of dyspnea and chest pain. He denies having orthopnea, cough, hemoptysis, or wheezing. He smoked two packs of cigarettes a day for 19 years, but quit 3 years ago. Blood Gas Arterial Venous pH 7.51 7.40 PaCO2 30 mmHg 45 mmHg PaO2 60 mmHg 30 mmHg HCO3 24 mEq/l 21 mEq/l BE - 1 - 4 SaO2 90 % 60 % Hb 15 g/dl 15 g/dl Interpret his ABG
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Case #2 Mr. H is a 52-year-old male who presents to the emergency department. His left leg is in a cast, and he states that 1 week ago he was in an automobile crash and broke his upper leg. Since that time he has had difficulty “getting around” and has mostly been lying on the couch watching television. On the evening of admission he noticed a sudden onset of dyspnea and chest pain. He denies having orthopnea, cough, hemoptysis, or wheezing. He smoked two packs of cigarettes a day for 19 years, but quit 3 years ago.
Blood Gas | Arterial | Venous |
pH | 7.51 | 7.40 |
PaCO2 | 30 mmHg | 45 mmHg |
PaO2 | 60 mmHg | 30 mmHg |
HCO3 | 24 mEq/l | 21 mEq/l |
BE | - 1 | - 4 |
SaO2 | 90 % | 60 % |
Hb | 15 g/dl | 15 g/dl |
Interpret his ABG
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