12 results
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
Motor Neuron (UMN ... form part of the differential ... UMN lesions are ... and a positive Babinski ... @DharSaty #UMN
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
involving both UMN ... muscles, muscle atrophy ... progressive muscular atrophy ... loss of muscle (atrophy ... conditions listed in 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 ... kwburak #LFTs #Elevated ... #Abnormal #Transaminitis
Elevated Liver Enzymes - Differential Diagnosis Algorithm
Severe ALT > 15x ULN
 • Viral
 • Drugs/Toxins
 •
Elevated Liver Enzymes ... - Differential ... Severe ALT > 15x 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 ... : Areflexia UMN ... plantar response LMN ... Loss of muscle (atrophy
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 ... endocrinology #calcium #elevated
Autoimmune Hepatitis

Clinical Presentation
 - Highly variable clinical presentation, from subclinical disease to acute liver failure.
 -
IgG typically elevated ... upper limit of normal ... ALT + AST > 10x ULN ... ALT + AST > 5x ULN ... AND IgG > 2x ULN
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 ... specificity to elevated ... - If both are normal ... chemistry #diagnosis #differential
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
• ALT & AST normal ... or slightly elevated ... early on but elevated ... • ALP > 1.5 x ULN ... bile ducts Differential
Hypertensive Disorders of Pregnancy
Chronic Hypertension:
 • Guidelines as SBP ≥130 or DBP ≥ 90 mmHg
 •
liver enzymes (2x ULN ... of hemolysis, elevated ... obstetrics #cardiology #differential