Irrr

of 20 mm Hg (2.7 kPa), 1 3 of 16 mEq/L (mmol/L), a sodium concentration of 140 mEq/L (mmol/L), and a chloride concentration of 103 mEq/L (mmol/L).

What is the primary acid-base disorder?

Is there a mixed disorder?

Given the clinical history, what is the most likely explanation for the ABG findings? Case Study 7

A 56-year-old man is brought to the emergency department by his family. He has felt unwell for the past week and did not attend his regular hemodialysis sessions. He began vomiting 36 hours ago but refused medical evaluation. When family members found him unresponsive this morning they sought medical attention. Lab analyses show: pH of 7.40, PaCC>2 of 40 mm Hg (5.3 kPa), HCO} of 24 mEq/L (mmol/

L), sodium concentration of 145 mEq/L (mmol/L), and chloride concentration of 100 mEq/L (mmol/L).

What is the primary acid-base disorder? Is there a mixed disorder?

Given the clinical history, what is the most likely explanation for the ABG findings? Case Study 8

A 39-year-old woman is brought to the emergency department by rescue squad after being found "profoundly intoxicated" in a city park. Shortly after arrival, she has several episodes of emesis with witnessed aspiration. She is transferred to the ICU where she develops progressive hypoxia during the ensuing hours. Following elective intubation her blood work shows a pH of 7.50, PaCC>2 of 20 mm Hg (2.7 kPa), HCO} of 15 mEq/L (mmol/L), sodium concentration of 145 mEq/L (mmol/L), and chloride concentration of 100 mEq/L (mmol/L).

What is the primary acid-base disorder? Is there a mixed disorder?

Given the clinical history, what is the most likely explanation for the ABG findings? Case Study 9

A 69-year-old insulin-dependent diabetic man is being evaluated for unresponsiveness. His wife says he had "stomach flu" for several days with frequent bouts of emesis. She thinks he has stopped taking his insulin because he has not been eating. He became somnolent yesterday and she called an ambulance when she noticed his breathing was very slow and shallow. The blood work drawn prior to urgent intubation shows a pH of 7.10, PaCO of 50 mm Hg (6.7 kPa), HCO3 of 15 mEq/L (mmol/ L), sodium concentration of 145 mEq/L (mmol/L), and chloride concentration of 100 mEq/L (mmol/L).

What is the primary acid-base disorder? Is there a mixed disorder?

Given the clinical history, what is the most likely explanation for the ABG findings?

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