Respiratory acidosis - Revision history

Masoodrm: /* Evaluation */

2024-06-13T20:46:10Z

Evaluation

← Older revision		Revision as of 20:46, 13 June 2024
Line 41:		Line 41:

	==Evaluation==		==Evaluation==
			*Obtain ABG or VBG to determine severity as well as if acute or chronic
			*Re-evaluate 20-30 minutes after airway intervention (placement on BiPAP, intubation, etc.)

	==Management==		==Management==

Masoodrm: /* Differential Diagnosis */

2024-06-13T20:44:48Z

Differential Diagnosis

← Older revision		Revision as of 20:44, 13 June 2024
Line 17:		Line 17:

	==Differential Diagnosis==		==Differential Diagnosis==
	*[[COPD]]		*Respiratory disorders
	*~~Drugs (e.g.~~ [[~~opioid overdose~~]])		**[[COPD]]
	*~~Chest wall disease~~		**Pneumonia
	*~~Pleural disease~~		**ARDS
	*[[~~Trauma~~]]		**Pulmonary edema
			**Pulmonary fibrosis
			**[[Trauma]]
			*Central respiratory depression
			**Central sleep apnea
			**Drug overdose (opiates, benzodiazepines)
			**Trauma
			**Stroke
			**Status epilepticus
			*Airway obstruction
			**Obstruction sleep apnea
			**Foreign body aspiration
			**Tumor
			**Bronchospasm
			*Neuromuscular dysfunction
			**Guillain-Barre syndrome
			**[[Myasthenia gravis]]
			**Brainstem or spinal cord injury

	==Evaluation==		==Evaluation==

Masoodrm: /* Background */

2024-06-13T20:39:21Z

Background

← Older revision		Revision as of 20:39, 13 June 2024
Line 1:		Line 1:
	''see also [[hypercapnia]]		''see also [[hypercapnia]]
	==Background==		==Background==
	*[[Acidosis\|~~acidemia~~]] = pH < 7.38		*[[Acidosis\|Acidemia]] = pH < 7.35
	*Respiratory acidosis = ~~pCO2~~ > 42		*Respiratory acidosis = PaCO2 > 42
	*Acute respiratory acidosis: Change in pH = 0.008 X (40 - PaCO2)		*Acute respiratory acidosis: Change in pH = 0.008 X (40 - PaCO2)
			**For every 10 mmHg increase in PaCO2, HCO3- should increase by 1 mEq/L
	*Chronic respiratory acidosis: Change in pH = 0.003 X (40 - PaCO2)		*Chronic respiratory acidosis: Change in pH = 0.003 X (40 - PaCO2)
			**For every 10 mmHg increase in PaCO2, HCO3- should increase by 4 mEq/L
	*Determine if another primary acid/base disturbance is occurring		*Determine if another primary acid/base disturbance is occurring
	**Calculate AG		**Calculate AG
	**if HCO3 < 24 + (pCO2-40)/10 x 3(+/-1) then there is a superimposed primary metabolic acidosis		**if HCO3- < 24 + (pCO2-40)/10 x 3(+/-1) then there is a superimposed primary metabolic acidosis
	***for every 10mm increase in pCO2 >40, HCO3expected increases by 2-4mEq (2 if acute/limited time for metabolic compensation, 4 if chronic i.e. COPD)		***for every 10mm increase in pCO2 >40, HCO3expected increases by 2-4mEq (2 if acute/limited time for metabolic compensation, 4 if chronic i.e. COPD)
	**if HCO3 > 24 + (pCO2-40)/10 x 3(+/-1) then suspect primary metabolic alkalosis		**if HCO3- > 24 + (pCO2-40)/10 x 3(+/-1) then suspect primary metabolic alkalosis

	===Etiology===		===Etiology===

Elcatracho: /* Background */

2022-01-12T15:26:55Z

Background

← Older revision		Revision as of 15:26, 12 January 2022
Line 1:		Line 1:
	''see also [[hypercapnia]]		''see also [[hypercapnia]]
	==Background==		==Background==
	*[[~~acidosis~~\|acidemia]] = pH < 7.38		*[[Acidosis\|acidemia]] = pH < 7.38
	*~~respiratory~~ acidosis = pCO2 > 42		*Respiratory acidosis = pCO2 > 42
	*Acute respiratory acidosis: Change in pH = 0.008 X (40 - PaCO2)		*Acute respiratory acidosis: Change in pH = 0.008 X (40 - PaCO2)
	*~~vs. chronic~~ respiratory acidosis: Change in pH = 0.003 X (40 - PaCO2)		*Chronic respiratory acidosis: Change in pH = 0.003 X (40 - PaCO2)
	*~~determine~~ if another primary acid/base disturbance is occurring		*Determine if another primary acid/base disturbance is occurring
	**~~calculate~~ AG		**Calculate AG
	**if HCO3 < 24 + (pCO2-40)/10 x 3(+/-1) then there is a superimposed primary metabolic acidosis		**if HCO3 < 24 + (pCO2-40)/10 x 3(+/-1) then there is a superimposed primary metabolic acidosis
	***for every 10mm increase in pCO2 >40, HCO3expected increases by 2-4mEq (2 if acute/limited time for metabolic compensation, 4 if chronic i.e. COPD)		***for every 10mm increase in pCO2 >40, HCO3expected increases by 2-4mEq (2 if acute/limited time for metabolic compensation, 4 if chronic i.e. COPD)

ClaireLewis: /* Background */

2019-09-29T16:40:50Z

Background

← Older revision		Revision as of 16:40, 29 September 2019
Line 1:		Line 1:
	''see also [[hypercapnia]]		''see also [[hypercapnia]]
	==Background==		==Background==
	*[[acidemia]] = pH < 7.38		*[[acidosis\|acidemia]] = pH < 7.38
	*respiratory acidosis = pCO2 > 42		*respiratory acidosis = pCO2 > 42
	*Acute respiratory acidosis: Change in pH = 0.008 X (40 - PaCO2)		*Acute respiratory acidosis: Change in pH = 0.008 X (40 - PaCO2)
Line 12:		Line 12:

	===Etiology===		===Etiology===
	*Hypoventilation - acute vs chronic		*Hypoventilation - acute vs chronic

	==Differential Diagnosis==		==Differential Diagnosis==

ClaireLewis at 16:40, 29 September 2019

2019-09-29T16:40:29Z

← Older revision		Revision as of 16:40, 29 September 2019
Line 1:		Line 1:
			''see also [[hypercapnia]]
	==Background==		==Background==
	*acidemia = pH < 7.38		*[[acidemia]] = pH < 7.38
	*respiratory acidosis = pCO2 > 42		*respiratory acidosis = pCO2 > 42
	*Acute respiratory acidosis: Change in pH = 0.008 X (40 - PaCO2)		*Acute respiratory acidosis: Change in pH = 0.008 X (40 - PaCO2)
	vs. ~~Chronic~~ respiratory acidosis: Change in pH = 0.003 X (40 - PaCO2)		*vs. chronic respiratory acidosis: Change in pH = 0.003 X (40 - PaCO2)
	*determine if another primary acid/base disturbance is occurring		*determine if another primary acid/base disturbance is occurring
	**calculate AG		**calculate AG
Line 11:		Line 12:

	===Etiology===		===Etiology===
	Hypoventilation - acute vs chronic		*Hypoventilation - acute vs chronic

	==Differential Diagnosis==		==Differential Diagnosis==
	*[[COPD]]		*[[COPD]]
	*Drugs ([[~~Opioid Overdose~~]])		*Drugs (e.g. [[opioid overdose]])
	*Chest wall disease		*Chest wall disease
	*Pleural disease		*Pleural disease
	*Trauma		*[[Trauma]]

	==Evaluation==		==Evaluation==

Mholtz: Text replacement - "==References== " to "==References== "

2017-07-24T01:12:24Z

Text replacement - "==References== " to "==References== <references/> "

← Older revision		Revision as of 01:12, 24 July 2017
Line 34:		Line 34:

	==References==		==References==
			<references/>
	[[Category:FEN]]		[[Category:FEN]]
	[[Category:Pulmonary]]		[[Category:Pulmonary]]
	[[Category:Toxicology]]		[[Category:Toxicology]]

Neil.m.young: Text replacement - "==Diagnosis==" to "==Evaluation=="

2016-07-22T23:29:20Z

Text replacement - "==Diagnosis==" to "==Evaluation=="

← Older revision		Revision as of 23:29, 22 July 2016
Line 20:		Line 20:
	*Trauma		*Trauma

	==~~Diagnosis~~==		==Evaluation==

	==Management==		==Management==

ClaireLewis: /* Differential Diagnosis */

2016-07-13T07:32:45Z

Differential Diagnosis

← Older revision		Revision as of 07:32, 13 July 2016
Line 16:		Line 16:
	*[[COPD]]		*[[COPD]]
	*Drugs ([[Opioid Overdose]])		*Drugs ([[Opioid Overdose]])
	*Chest wall dz		*Chest wall disease
	*Pleural dz		*Pleural disease
	*Trauma		*Trauma

Neil.m.young: Text replacement - "==Treatment==" to "==Management=="

2016-07-08T04:53:29Z

Text replacement - "==Treatment==" to "==Management=="

← Older revision		Revision as of 04:53, 8 July 2016
Line 22:		Line 22:
	==Diagnosis==		==Diagnosis==

	==~~Treatment~~==		==Management==
	''Improve alveolar ventilation''		''Improve alveolar ventilation''
	#[[Bronchodilators]]		#[[Bronchodilators]]