31 results
Asymmetrical Tonic Neck Reflex (ATNR)

This primitive reflex found in newborn babies that normally vanishes around 4
Tonic Neck Reflex (ATNR ... #Fencing #ATNR
Muddy Brown Casts in ATN
#Clinical #Path #Nephro #Urine #Microscopy #MuddyBrownCasts #ATN
Brown Casts in ATN ... MuddyBrownCasts #ATN
Urinary Casts in the setting of renal disease
#Clinical #Nephro #Urine #Microscopy #Casts #Comparison #Chart #ATN #AIN
Comparison #Chart #ATN
Acute Kidney Injury (AKI) - Common Patterns on Urinalysis
 - Prerenal
 - ATN
 - AIN
 -
- Prerenal - ATN
Causes of Acute Kidney Injury - Differential Diagnosis Framework 
Pre-Renal
Post-Renal
Intrinsic Renal:
 • Tubules (ATN)
 • Glomerular:
: • Tubules (ATN
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Liano 1996) - ATN ... CKD— 13% (mostly ATN
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
> 2% suggests ATN
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diuretic phase of ATN
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
resistance to ADH) • ATN
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
C3/C4, Other • ATN