6244 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
Liver Enzymes (LFTs ... and Cholestatic Liver ... Hepatocellular Liver ... pathology (low level ... Transaminitis #diagnosis
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
function below injury level ... Sensory loss below level ... light touch below level ... motor function, level ... Injury #Syndromes #diagnosis
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Diagnosis Adrenal ... 6-8AM Cortisol Level ... Peak cortisol level ... lower, you have diagnosed ... looking at the ACTH level
Low O2 saturation that does not respond to supplemental O2
- Key diagnostic feature (sat < 85%
supplemental O2 - Key diagnostic ... closely to MetHb level ... for any MetHb level ... COPD, anemia) #Diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
- Differential Diagnosis ... dL • Glucose level ... meningitis, and the diagnosis ... meningitis with a diagnostic ... #differential #diagnosis
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
of O2 at tissue level ... of O2 at tissue level ... Differential #Causes #Diagnosis
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... • Decreased level ... ICU patients • Fever ... #Differential #Diagnosis
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
- Differential Diagnosis ... • Intact PTH Level ... • Intact PTH Level ... #Differential #Diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
consider: TSH level ... serum ferritin level ... • ESR and CRP level ... (to support a diagnosis ... laboratory #workup #diagnosis
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
state (low HBV DNA level ... (high HBV DNA level ... Interpretation #diagnosis