Respiratory acidosis resident survival guide: Difference between revisions
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==Diagnosis== | ==Diagnosis== | ||
Shown below is an algorithm summarizing the diagnosis of | Shown below is an algorithm summarizing the diagnosis of respiratory acidosis. | ||
{{familytree/start |summary=PE diagnosis Algorithm.}} | {{familytree/start |summary=PE diagnosis Algorithm.}} | ||
{{familytree | | | | | | | | | | | | | | A01 | | | | | | | | | | |A01= Suspected acid base disorder}} | {{familytree | | | | | | | | | | | | | | A01 | | | | | | | | | | |A01= Suspected acid base disorder}} | ||
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{{familytree/start |summary=PE diagnosis Algorithm.}} | {{familytree/start |summary=PE diagnosis Algorithm.}} | ||
{{familytree | | | | | | | | | | | | | | F01 | | | | | | | | | | |F01= | {{familytree | | | | | | | | | | | | | | F01 | | | | | | | | | | |F01= Appropriate compensation Ratio(CO2:HCO3)<br>Metabolic acidosis 12:10<br>Metabolic alkylosis 7:10<br>Acute respiratory acidosis 10:1<br>Chronic respiratory acidosis 10:3<br>Acute respiratory alkylosis 10:2<br>Chronic Respiratory alkylosis 10:4 | ||
}} | |||
{{familytree/end}} | {{familytree/end}} | ||
Revision as of 19:26, 26 August 2020
| Resident Survival Guide |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Qasim Khurshid.M.B.B.S
Overview
Causes
Life Threatening Causes
Life-threatening causes include conditions that may result in death or permanent disability within 24 hours if left untreated.
- Sedative overdose (eg, narcotic or benzodiazepine, some anesthetics, tricyclic antidepressants)
- Epiglottitis
- Foreign body aspiration
- Angioedema
- Pulmonary embolism (usually severe)
- Respiratory muscle fatigue
- Periodic paralysis
- Phrenic nerve injury
- Organophosphates poisoning
- Procainamide toxicity
Common Causes
- Sedative overdose (eg, narcotic or benzodiazepine, some anesthetics, tricyclic antidepressants)
- Encephalitis
- Brainstem disease
- Central and obstructive sleep apnea
- Amyotrophic lateral sclerosis
- Dynamic hyperinflation (eg, upper and lower airway disorders including chronic obstructive pulmonary disease, severe asthma)
- Endstage interstitial lung disease
- Pulmonary embolism (usually severe)
- Thyrotoxicosis
- Foreign body aspiration
- Retropharyngeal disorders
- Obstructive goiter
- Vocal cord paralysis
- Hypophosphatemia
- Hypomagnesemia
- Hyperthyroidism
- Tetanus
- Botulism
- Succinylcholine and neuromuscular blockade
Diagnosis
Shown below is an algorithm summarizing the diagnosis of respiratory acidosis.
| Suspected acid base disorder | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Acidemia pH<7.35 | Normal pH | Alkalemia pH>7.45 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Metabolic acidosis HCO3<24mmol/L CO2:HCO3 12:10 | Respiratory acidosis pCO2>40mmHg | Metabolic alkylosis HCO3>28mmol/L CO2:HCO3 7:10 | Respiratory alkylosis pCO2<35mmHg | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Anion gap | Non anion gap | Acute CO2:HCO3 10:1 | Chronic CO2:HCO3 10:3 | Acute CO2:HCO3 10:2 | Chronic CO2:HCO3 10:4 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Appropriate compensation Ratio(CO2:HCO3) Metabolic acidosis 12:10 Metabolic alkylosis 7:10 Acute respiratory acidosis 10:1 Chronic respiratory acidosis 10:3 Acute respiratory alkylosis 10:2 Chronic Respiratory alkylosis 10:4 | |||||||||||||||||||||||||||||||||||||||||||||||||||
Treatment
Shown below is an algorithm summarizing the treatment of [[disease name]] according the the [...] guidelines.
Do's
- The content in this section is in bullet points.
Don'ts
- The content in this section is in bullet points.