9 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... (↑Shunting), ↓Perfusion ... #Diagnosis #Algorithm ... #pulmonary #Aa
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Ventilation/perfusion ... • Interstitial lung ... #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Embolism, Obstructive Lung ... Disease and more • Diffusion ... Defect: Pulmonary ... , Interstitial Lung ... #Hypoxia #hypoxemia
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
: Interstitial lung ... gravity-dependent gradients ... direction leads to hypoxemia ... bypassing the lungs ... Respiratory #Failure #hypoxia
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
General schema for ... patients with COVID ... respiratory #support #COVID19 ... #management #schema ... #failure #algorithm
Proposed Respiratory Support Algorithm in COVID19

The ‘intubate early’ paradigm, where patients who “fail” low flow oxygen
Respiratory Support Algorithm ... lung disease are ... #management #schema ... #criticalcare #hypoxia ... #failure #algorithm
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Differential Diagnosis Algorithm ... Dysrhythmia • Ischemia ... • Interstitial lung ... Pleura: • Pleural effusion ... Differential #Diagnosis #Algorithm
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
absence of intrinsic lung ... upright position • Hypoxemia ... on radioactive lung ... or pulmonary angiography ... 80mmHg or A-a gradient
Type L:
 - Low elastance. The nearly normal compliance indicates that the amount of gas in
ventilation-to-perfusion ... nearly normal, hypoxemia ... and by loss of hypoxic ... this stage, the pulmonary ... Citerio @Dr_Cit #COVID19