6 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... , Muscular Weakness ... Hepatopulmonary Syndrome ... , Interstitial Lung ... #Hypoxia #hypoxemia
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
respiratory drive due to neurologic ... obesity-hypoventilation syndrome ... OSA DIFFUSION DISORDER ... direction leads to hypoxemia ... hepatopulmonary syndrome
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Syndrome Definition ... : Diffuse alveolar ... , biopsy By Tess ... differential #diagnosis #nephrology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Non-neuromuscular disorder ... (Cardiac, pulmonary ... • Acute stroke syndromes ... • Inflammatory disorders ... Differential #Diagnosis #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
D-lactate (short bowel syndrome ... Classically” noted with pulmonary ... Neuromuscular weakness ... or restrictive lung ... Diagnosis #Summary #Nephrology
Rhabdomyolysis - Differential Diagnosis Framework
Rhabdomyolysis = Destruction of skeletal muscle with leakage of contents into circulation.
Delirium tremens • Hypoxia ... Mitochondrial disorders ... HIV, Legionella, Strep ... Neuroleptic malignant syndrome ... Diagnosis #Causes #nephrology