12 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Hypoventilation Syndrome ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... direction leads to hypoxemia ... hepatopulmonary syndrome ... Respiratory #Failure #hypoxia ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... UnremarkableLab #AA ... #Hypoxia #hypoxemia ... #differential #
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
PARKINSON WHITE SYNDROME ... PHAEOCHROMOCYTOMA • PULMONARY ... DISEASE • HYPOXIA ... Palpitations #Causes #Differential ... #Diagnosis #Cardiology
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... upright position • Hypoxemia ... Quantifies degree of hypoxemia ... scanning or pulmonary ... HPS features - Complete
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... Hyperkalemia Pulmonary ... : • Hypoxia ... #Bradycardia #differential ... diagnosis #causes #cardiology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Respiratory: • Pulmonary ... Embolism • Hypoxia ... #Syncope #Cardiology ... #Differential #
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
usually: - hypoxemia ... patient with shock/hypoxemia ... hypoperfusion/ hypoxemia ... the patient’s complete ... Oxygen Content: - Hypoxemia
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D-lactate (short bowel syndrome ... - Rapid saline infusion ... , pain, fever, hypoxia ... Classically” noted with pulmonary ... with associated hypoxia