12 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Diagnosis Algorithm Ventilation ... Airway Disease (Asthma ... Diagnosis #Algorithm #Causes ... #Pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Obstruction • Asthma ... • Metabolic Acidosis ... Chronic #Dyspnea #SOB ... Diagnosis #Algorithm #Causes
Pediatric Dyspnea - Differential Diagnosis Algorithm
Stridor:
 • Croup
 • Foreign Body
 • Tracheitis
 • Epiglottitis
 •
Pneumonia • Asthma ... Ketoacidosis • Pulmonary ... Embolism #Dyspnea #SOB ... Diagnosis #Algorithm #Causes ... #Peds #Pediatrics
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... • Airways: - Asthma ... Additional: - Acidosis ... Pain #dyspnea #sob ... #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
diffusion defects) VENTILATION ... perfusion (Q) and ventilation ... direction leads to hypoxemia ... , asthma, COPD, ... Respiratory #Failure #hypoxia
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Acute and Chronic Causes ... exacerbation, Asthma ... Hemorrhage • Chronic: Asthma ... Neuromuscular • Acute: Stroke ... Chronic: Metabolic acidosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acetazolamide Causes ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia ... disease (COPD, OSA, Asthma
Differential Diagnosis of Respiratory Acid-Base Disorders
Alkalosis
A. Central nervous system stimulation: Pain, Anxiety, psychosis, Fever, Cerebrovascular accident,
Hypoxemia or tissue ... , Pneumonia, pulmonary ... morphine, sedatives), Stroke ... : Obstruction, Asthma ... differential #diagnosis #causes
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

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

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
Positive Pressure Ventilation ... exacerbation (cardiogenic pulmonary ... on chronic resp acidosis ... failure (ie.. asthma ... for increased WOB