33 results
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
> 50x normal - Ischemic ... AST:ALT = 1 - Ischemia ... Viral Hepatitis, Ischemic ... #hepatology #LFTs ... #differential #diagnosis
Causes of Severe Acute Liver Injury
 - Ichemic hepatitis
 - Acute biliary obstruction
 - Drug-Induced liver
Severe Acute Liver Injury ... - Ichemic hepatitis ... Drug-Induced liver injury ... #Differential #Hepatology ... #Diagnosis
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... - Differential Diagnosis ... Emboli, Thrombosis, Vasculitis ... Other • ATN: Ischemia ... Acute #Kidney #Injury
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
infection, nerve injury ... , digital ischemia ... , injury to staff ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
causes direct injury ... - Myocardial ischemia ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Elevated Liver Function Tests (LFTs) - Differential Diagnosis Framework
Mild (<100-500): 
 • NAFLD
 • Cirrhosis
 •
- Differential Diagnosis ... Drug-induced liver injury ... ) • Ischemic Hepatopathy ... #Differential #Diagnosis ... #hepatology #transaminitis
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
- Differential Diagnosis ... syndrome, Electrical injury ... Dermatomyositis) AKI - Pathophysiology ... decreased renal renal ischemia ... #Differential #Diagnosis
Compartment Syndrome Pearls
A vicious cycle of increased pressure within a facial compartment leading to compression of
Pathophysiology: ... Tissue hypoxia → Ischemia ... rest are late signs ... Ischemic injury ... after the onset of ischemia
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
- Differential Diagnosis ... hepatitis • Ischemic ... distinguishes ischemic ... • Demand ischemia ... tumor burden) Vasculitis
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
- Differential Diagnosis ... Differential Diagnosis ... • Vascular: Ischemic ... #Differential #Diagnosis ... #hepatology #algorithm