19 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Hypoventilation Syndrome ... Abnormalities #Hypoxemia ... #Hypoxia #Differential ... #Causes #Pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Hypoxemic Respiratory ... of hypoxemic respiratory ... direction leads to hypoxemia ... hepatopulmonary syndrome ... #hypoxia #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... Disease and more • Diffusion ... #Hypoxia #hypoxemia
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... , defecation) Respiratory ... : • Pulmonary ... Embolism • Hypoxia ... #causes
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Lethargic and severely hypoxemic ... Sudden onset of hypoxemic ... • Symptoms: Hypoxemic ... dyspnea, tachypnea, hypoxemia ... and systemic veins
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome ... consistent with pulmonary ... explained by pleural effusions ... severity of the hypoxemia ... #Distress #Syndrome
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Physical Exam The case ... positional dyspnea and hypoxemia ... observe how the respiratory ... video #breathing #respiratory ... #pulmonary
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
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura in severe cases ... Possible bilateral effusion ... severity Acute Respiratory ... Distress Syndrome ... A-Lines - Deep Vein
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Acute Respiratory ... Distress Syndrome ... leading to increased pulmonary ... congestion with hypoxemia ... consistent with pulmonary