Acid-Base Flashcards
1
Q
What causes an increase in acid production?
A
- Excessive oxidation of fatty acids
- Hypermetabolism
- Excessive ingestion of ethanol and salicylate
2
Q
What causes excessive oxidation of fatty acids?
A
- Starvation
- Ketoacidosis
3
Q
What causes hyper metabolism?
A
- Exercise
- Seizures
- Fever
- Ischemia
4
Q
What causes an increase in acid loss?
A
- Vomiting
- Gastric suctioning
5
Q
What causes a decrease in acid excretion?
A
- Renal failure
6
Q
What causes bicarbonate loss or underproduction?
A
- Diarrhea
- Excessive ileostomy drainage
- Pancreatitis
- Liver failure
7
Q
What causes an increase in bicarbonate?
A
- Alkaline ingestion
- Excessive sodium bicarbonate administration
8
Q
What causes increased/decreased levels of CO2?
A
- Respiratory conditions
- Opiate overdose
- Anxiety
- Fever
- COPD
- Inadequate chest expansion
9
Q
Normal pH levels
A
7.35 - 7.45
10
Q
Normal PaCO2
A
35 - 45 mmHg
11
Q
Acidotic PaCO2
A
<35 mmHg
12
Q
Alkalotic PaCO2
A
> 45 mmHg
13
Q
Normal HCO3
A
22 - 28 mEq/L
14
Q
Acidotic HCO3
A
<22 mEq/L
15
Q
Alkalotic HCO3
A
> 28 mEq/L
16
Q
Normal PaO2
A
80 -100 mmHg
17
Q
Normal SaO2
A
> 95%
18
Q
Respiratory acidosis
A
- Increased CO2
- Decreased pH
19
Q
Causes of respiratory acidosis
A
- Hypoventilation
- Decreased respiratory drive/respiratory depression
- Neuromuscular disorders
- Airway obstruction/alveolar capillary exchange
20
Q
Respiratory alkalosis
A
- Increased pH
- Decreased PaCO2