Chapter 4 Acid-Base Disturbances 0 OH
H+ OH– H2O Chapter 4 Acid-Base Disturbances
Case study woman 38, 2-day history of weakness and postural dimness History: laxativeabuse with multiple bowel movements each day Physical examination BP110/60 mmHg falls to 80/50 mmHg HR 100 beats/min and regular Skin turgor is poor The mucous membrane is dry
woman 38 ， 2-day history of weakness and postural dizziness History：laxativeabuse with multiple bowel movements each day Physical examination： BP 110/60 mmHg falls to 80/50 mmHg HR 100 beats/min and regular Skin turgor is poor The mucous membrane is dry Case study
Laboratory test INa =140 mmol/L K=3.3 mmol/L [CH=116 mmol/L Urine [ Na=9 mmol/L bUn=40 mg/dL Arterial pH=7. 25 THCo3=12 mmol/L Paco2=28 mmHg What kind of acid-base disorder did she have?
Laboratory test： [Na+ ] = 140 mmol/L [K+ ] = 3.3 mmol/L [Cl- ] ＝ 116 mmol/L Urine [Na+ ] = 9 mmol/L BUN = 40 mg/dL Arterial pH = 7.25 [HCO3 - ] = 12 mmol/L PaCO2 = 28 mmHg What kind of acid-base disorder did she have?
Acid-base balance 单映真急 Acid-base disturbance 急 What is acid? What is base
Acid-base balance Acid-base disturbance What is Acid ? What is Base ?
Acid-base balance and its requlation 令 H
一、 Acid-base balance and its regulation H+ H+