462 results
Causes of Postoperative Hypercarbia:
Hypoventilation 
 - drug-induced central respiratory depression 
 - intrapulmonary abnormality 
 -
Postoperative Hypercarbia ... drug-induced central respiratory ... space Expired soda ... Postoperative #Hypercarbia ... #Differential #Hypercapnia
Chronic Hypercapnic Respiratory Failure Phenotypes
Pink Puffers (robust vent drive) ↑ their WOB when pulmonary mechanics gradually
Chronic Hypercapnic ... Respiratory Failure ... rise) → chronic hypercapnia ... amzn.to/3rEtbK8 #Hypercapnic ... #Respiratory #Failure
Tachypnea - Evaluation and Differential Diagnosis Algorithm
Alkalemia:
 • Acute Respiratory Alkalosis
 • Chronic Hypercapnic Respiratory Failure
Alkalemia: • Acute Respiratory ... Alkalosis • Chronic Hypercapnic ... Respiratory Failure ... Superimposed • Acute Hypercapnic ... Respiratory Failure
Flapping tremors of Asterixis

DDx
- Decompensated cirrhosis or acute liver failure.
- Renal failure /azotemia.
- Respiratory failure with
- Respiratory ... dioxide toxicity (hypercapnia
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
Respiratory Acidosis ... CO2 production Respiratory ... diuretics P - Post-hypercapnea ... alkalosis #metabolic #respiratory
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
patients present with respiratory ... substantial chronic hypercarbia ... manifest with severe hypercapnia
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
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Risk Factors for Hypercapnea ... ) Evaluate for Respiratory
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
Phosphate impacts respiratory ... function is respiratory ... contribute to respiratory ... Respiratory muscle ... Respiratory muscles
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
High-pitched, variable respiratory ... • Recurrent respiratory ... Supraglottis - Inspiratory ... and bronchi - Expiratory
An Approach to Acute Dyspnea

General Categories: Hypoxemia, Hypercapnia, Acidemia, Poor O2 Delivery (without hypoxemia),  Miscellaneous
Categories: Hypoxemia, Hypercapnia