8 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... • Pulmonary Arterial ... 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 ... shunting (eg, atrial ... Respiratory #Failure #hypoxia ... #Differential #
Dyspnea - Considerations with Malignancy
Directly Malignancy Related:
 - Lymphangitic spread to lung
 - Malignant pleural effusion
effusion - Malignant ... - Lung metastases ... - Coronary arteries ... NEJMcps1414168 #dyspnea #algorithm ... #differential #
Cough - Diagnostic Schema

Infectious: URTI, LRTI, Bacterial, Viral
Irritant/Exposure: Allergic, Post-infectious, Pneumonitis, ACEi, PTX, Foreign Body
Airway Disease:
Infectious: URTI, LRTI, Bacterial ... : Lung Cancer, Mesothelioma ... effusion Other ... Acute #Chronic #Differential ... #Algorithm
Causes of Pulmonary Hypertension - Differential Diagnosis Algorithm
Pulmonary Arterial Hypertension
 • Idiopathic
 • Associated with:
Hypertension - Differential ... Diagnosis Algorithm ... Pulmonary Arterial ... • Valvular Lung ... Disease and/or Hypoxemia
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... , Interstitial Lung ... Gradient #alveolar #arterial ... #pulmonary #Hypoxia ... #hypoxemia #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 ... drugs, seizures, malignancy ... Oxygen Content: - Hypoxemia
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... - Rapid saline infusion ... , pain, fever, hypoxia ... with associated hypoxia ... or restrictive lung