33 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Algorithm by A-a Gradient ... Normal A-a Gradient ... compliance ↑ A-a Gradient ... (↑Shunting), ↓Perfusion ... pulmonary #Aa #Gradient
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
Gradient Sequence ... - Gradient imaging ... So gradient is our ... Blood is black on gradient ... remember this bc gradient
Cervical Central Canal and Neural Foraminal Stenosis Grading

Cervical Central Canal Stenosis Grading
 - Normal - No
Foraminal Stenosis Grading ... Canal Stenosis Grading ... Foraminal Stenosis Grading ... Spinal #Stenosis #Grading ... Radiology #MSK #MRI
Lumbar Neural Foraminal Stenosis Grading 
  - Normal - No fat effacement, Keyhole appearance
Foraminal Stenosis Grading ... Spine #Report #Grading ... Radiology #MSK #MRI
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Approach to the A-a Gradient ... A-a gradient = ... PAO2 - PaO2 A-a gradient ... A-a Gradient ≤ ... Disease and more • Diffusion
Hydronephrosis Grading
Grade I - Pelviectasis 
Grade II - Caliectasis (Major Calyces)
Grade III - Caliectasis (Minor Calyces)
Grade
Hydronephrosis Grading ... Thinning - POCUS ... Hydronephrosis #Grading ... radiology #ultrasound #pocus
Lumbar Central Canal Stenosis Grading 
  - Normal - No CSF effacement 
  -
Canal Stenosis Grading ... Spine #Report #Grading ... Radiology #MSK #MRI
Lumbar stenosis guide we created to implement consistent radiology reporting across our multi-hospital network. 
Lumbar Central
Canal Stenosis Grading ... Foraminal Stenosis Grading ... Spine #Report #Grading ... Radiology #MSK #MRI
Tree analogy to classify severity of hydronephrosis.

Dr. Alan Chiem https://twitter.com/atchiem

#Diagnosis #POCUS #RenalUltrasound #Hydronephrosis #Tree #Analaogy #Severity
#Diagnosis #POCUS ... Analaogy #Severity #Grading
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
Diastolic Function Grading ... electrocardiogram, MI ... #Dysfunction #Grading