55 results
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
“Muddy Brown” Casts ... Finely granular cast ... coarser granular cast ... (mb) granular cast ... #Granular #MuddyBrown
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
granular/waxy mixed casts ... #Granular #MuddyBrown ... #Casts #Urine #
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
Muddy Brown Sclera: Brownish discoloration of sclera occasionally seen in African Americans. 
It is a variant
Ophthalmology #Normal #MuddyBrown ... #Sclera #AA #Photo
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... Diffusion Defect: Pulmonary ... UnremarkableLab #AA
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... Diagnosis #Radiology #Pulmonary ... TractionBronchiectasis #Cysts
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... diseases with pulmonary ... Although pulmonary ... : pulmonary hemorrhage ... hematuria, RBC casts
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
radiopaedia.org/cases ... #CT #CTChest #pulmonary
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
When the cysts have ... seen and in many cases ... Diagnosis #Radiology #Pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... pleura in severe cases ... ) Cardiogenic Pulmonary ... lung sliding Pulmonary ... @Pocus101 #pulmonary