9 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... MatthewHoMD #Hypoxemia ... #Hypoxia #Differential ... #pulmonary #Aa
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... Algorithm Ventilation ... Abnormalities #Hypoxemia ... #Hypoxia #Differential
Acute Hypoxemia - Differential Diagnosis
 • Hyperacute: Aspiration, Flash Pulmonary Edema, Mucous Plugging, Bronchospasm, Pulmonary Embolism,
Acute Hypoxemia ... - Differential Diagnosis ... Embolism, Pneumothorax ... Sophia_Hayes_MD #Hypoxemia ... #hypoxia #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... direction leads to hypoxemia ... embolus SHUNT ... Respiratory #Failure #hypoxia ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive ... Disease and more • Diffusion ... Defect: Pulmonary ... #Hypoxia #hypoxemia ... #differential #
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... Respiratory: • Pulmonary ... EmbolismHypoxia ... #Diagnosis #Algorithm
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
, pain, fever, hypoxia ... Classically” noted with pulmonary ... embolism (with ... associated hypoxia ... Diagnosis #Summary #Nephrology
Shock Types - Classification
State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
cellular and tissue hypoxia ... diminished tissue perfusion ... failure from massive pulmonary ... embolism or severe ... #criticalcare #differential
Causes of Ischemic Stroke - Differential Diagnosis Algorithm
Thrombosis - Atherosclerosis, Arterial Dissection, Fibromuscular Dysplasia
 - Large
Diagnosis Algorithm ... infarction • Pulmonary ... embolus • ... Pericardial effusion ... #Stroke #CVA #Neurology