9 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Airway Disease (Asthma ... Hypothyroidism Peripheral ... #Diagnosis #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Stable Angina • Acute ... Obstruction • Asthma ... • Metabolic Acidosis ... Chronic #Dyspnea #SOB
Pediatric Dyspnea - Differential Diagnosis Algorithm
Stridor:
 • Croup
 • Foreign Body
 • Tracheitis
 • Epiglottitis
 •
Laryngospasm Wheeze: • Asthma ... Pneumonia • Asthma ... Ketoacidosis • Pulmonary ... Embolism #Dyspnea #SOB ... #Causes #Peds #
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... Vascular • Pulmonary ... Airway (Wheeze) • Asthma ... Anaphylaxis* #Acute ... #Dyspnea #SOB #
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
common diagnoses Acute ... tobacco hx, >60% asthma ... - Progressive SOB ... Consolidations AKA "inverse pulmonary ... Pneumonia #diagnosis #pulmonary
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Compensation, Acute ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... disease (COPD, OSA, Asthma
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Elevation, Lactic Acidosis ... Seizures - Severe asthma ... cardiac output - Acute ... pulmonary edema ... peritonitis - Acute
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
exacerbation (cardiogenic pulmonary ... on chronic resp acidosis ... COPD) • Other acute ... failure (ie.. asthma ... for increased WOB
Hypophosphatemia and Hypoxia - Pathophysiology

↓ Phosphate leads to ↓ red cell 2,3-DPG and a  reduction
producing 2,3-DPG so ... to respiratory acidosis ... diaphragm during acute ... respiratory and peripheral ... pathophysiology #pulmonary