123 results
Acute Kidney Injury (AKI) - Common Patterns on Urinalysis
 - Prerenal
 - ATN
 - AIN
 -
- Prerenal - ATN ... - AIN - UTI ... table #comparison #nephrology
Asymmetrical Tonic Neck Reflex (ATNR)

This primitive reflex found in newborn babies that normally vanishes around 4
Tonic Neck Reflex (ATNR ... #Fencing #ATNR ... clinical #video #Neurology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
C3/C4, Other • ATN ... Pigment, Protein) • AIN ... Differential #Diagnosis #nephrology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Liano 1996) - ATN ... CKD— 13% (mostly ATN ... AcuteKidneyInjury #AKI #Nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
resistance to ADH) • ATN ... SG fixed at ~1.010 ... #differential #nephrology
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
> 2% suggests ATN ... Excretion #Sodium #nephrology
Intrinsic Renal Disease - Differential Diagnosis
Vascular:
 • Macrovascular: Renal artery occlusion, Fibromuscular disease
 • Microvascular: TTP/HUS,
Athero-embolic, HTN ... Ischemia-induced: ATN ... Renal #Disease #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Prerenal:
 • Due to true volume loss or decreased
interstitium • ATN ... contrast dye) • AIN ... Differential #Diagnosis #nephrology
Acute Kidney Injury (AKI) in Patients with Cancer 

Cancer Related 
• Hypercalcemia 
• Intravenous contrast 
•
Cisplatin • ATN ... Methotrexate • AIN ... Classification #Nephrology
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Diuretic phase of ATN ... diagnosis #causes #nephrology