21 results
Causes of Postoperative Hypercarbia:
Hypoventilation 
 - drug-induced central respiratory depression 
 - intrapulmonary abnormality 
 -
Postoperative Hypercarbia ... Postoperative #Hypercarbia ... #Differential #Hypercapnia
What's in a Blood Gas? VBG vs ABG

BOTTOM LINE: VBG is less painful, more easily obtained
predicting arterial hypercarbia
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
substantial chronic hypercarbia ... manifest with severe hypercapnia
An Approach to Acute Dyspnea

General Categories: Hypoxemia, Hypercapnia, Acidemia, Poor O2 Delivery (without hypoxemia),  Miscellaneous
Categories: Hypoxemia, Hypercapnia
Flapping tremors of Asterixis

DDx
- Decompensated cirrhosis or acute liver failure.
- Renal failure /azotemia.
- Respiratory failure with
dioxide toxicity (hypercapnia
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
Hypoglycemia, Hypercarbia
Stroke Mimics - Differential Diagnosis - MINT Mnemonic
 • Metabolic: Hyper-glycemia, Hypoglycemia, Wernicke's encephalopathy, Mitochondrial Encephalopathy
Encephalopathy, Hypoxia/Hypercarbia
Chronic Hypercapnic Respiratory Failure Phenotypes
Pink Puffers (robust vent drive) ↑ their WOB when pulmonary mechanics gradually
rise) → chronic hypercapnia
Causes of Prolonged Emergence - Anesthesiology

Prolonged Drug Action:
• Overdose 
• Hypothermia (< 33 C) 
• Incr
: • Hypoxia / hypercapnia
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
drainage, Post-hypercapnia