11 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
form part of the differential ... However, in UMN ... UMN lesions are ... and a positive Babinski ... @DharSaty #UMN
Peritonitis - Spontaneous vs Secondary vs Peritoneal Dialysis Associated Peritonitis
Spontaneous Bacterial Peritonitis
 • Cirrhosis (high SAAG)
(high SAAG) + ascites ... w/ PMN > 250 ... glucose < 50, LDH ULN ... Peritoneal #diagnosis #differential ... #ascites
Ascites - Differential Diagnosis and Workup Algorithm

•
Perform paracentesis:
 • Cell count and diff 
 • Total
Ascites - Differential ... culture • Check ascites ... WBC and PMN • ... SAAG and check ascites ... #Differential #
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Severe - ALT >15X ULN ... Moderate - ALT 5-15X ULN ... Mild - ALT < 5x ULN
Ascites - Diagnosis and Management Summary
Paracentesis studies: cell count + differential, albumin, protein, culture
 • Serum-ascites-albumin-gradient
Ascites - Diagnosis ... : cell count + differential ... source • SBP: PMN ... count (WBC x PMN ... 50mg/dL, LDH > ULN
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Liver Enzymes - Differential ... Severe ALT > 15x ULN ... Mild ALT < 5x ULN ... disease US — Normal ... #LiverEnzymes #Differential
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... injury • Gait is abnormal ... dysfunction • Abnormal ... : Areflexia UMN ... plantar response LMN
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
likely - Mid range/ULN ... FeCa <1 %) - Low normal ... • If all normal ... Hypercalcemia #workup #differential
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
develops (DIC, ascites ... AST/ALT (5-10x ULN ... infiltration) Differential
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
R-value: Serum (ALT/ULN ... ALT) / (Alk phos/ULN ... - If both are normal ... of ALP • Near normal ... chemistry #diagnosis #differential