102 results
Tachypnea - Evaluation and Differential Diagnosis Algorithm
Alkalemia:
 • Acute Respiratory Alkalosis
 • Chronic Hypercapnic Respiratory Failure
Acute Respiratory Alkalosis ... • Chronic Hypercapnic ... superimposed Respiratory Alkalosis ... Compensation or Alkalosis ... Superimposed • Acute Hypercapnic
Chronic Hypercapnic Respiratory Failure Phenotypes
Pink Puffers (robust vent drive) ↑ their WOB when pulmonary mechanics gradually
Chronic Hypercapnic ... rise) → chronic hypercapnia ... amzn.to/3rEtbK8 #Hypercapnic
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
production Respiratory alkalosis ... Salicylates Metabolic Alkalosis ... diuretics P - Post-hypercapnea ... - Contraction alkalosis ... diagnosis #acidosis #alkalosis
Causes of Postoperative Hypercarbia:
Hypoventilation 
 - drug-induced central respiratory depression 
 - intrapulmonary abnormality 
 -
Postoperative Hypercarbia ... space Expired soda ... Postoperative #Hypercarbia ... #Differential #Hypercapnia
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
Risk Factors for Hypercapnea ... Likely Metabolic Alkalosis ... Elevated #metabolic #alkalosis
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... responsive metabolic alkalosis ... diuretics, Post-hypercapneic ... metabolic alkalosis ... resistant metabolic alkalosis
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... responsive metabolic alkalosis ... diuretics - Post-hypercapneic ... metabolic alkalosis ... #Metabolic #Alkalosis
Blood Gas Analysis and Interpretation
STEPS TO ANALYSIS
1. Look at PH. Alkalotic or acidotic?
Alkalotic or acidotic ... - If alkalotic, ... then it is an alkalosis ... respiratory component) - alkalotic ... metabolic component) - alkalotic
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Respiratory Acidosis + Alkalosis ... ↑ - Metabolic alkalosis ... - Respiratory alkalosis ... Compensation #acidosis #alkalosis
Acid-Base Disorders - Differential Diagnosis Framework

 • Respiratory Acidosis
 • Respiratory Alkalosis
 • Metabolic Acidosis
 •
• Respiratory Alkalosis ... • Metabolic Alkalosis ... diagnosis #acidosis #alkalosis