9 results
TYPE I & TYPE II ERRORS 

SENSITIVITY & SPECIFICITY = SNOUT & SPIN 
Sensitive Tests that
TYPE I & TYPE II ... ERRORS SENSITIVITY ... /ambcarerx #TypeI ... #TypeII #Type1 ... #Type2 #Errors #
Lactic Acidosis - Classification and Differential Diagnosis
Type A Lactic Acidosis: Inadequate Oxygen Delivery
 • Anaerobic muscular
Differential Diagnosis Type ... Hypoxemia, Anemia Type ... Associated with inborn errors ... Differential #Diagnosis #TypeA ... #TypeB #lactate
Type B Lactic Acidosis
Elevated lactic acid when no systemic hypoperfusion is apparent
Causes:
 • Drugs (metformin, linezolid,
Type B Lactic Acidosis ... activity • Liver failure ... myopathies & inborn errors ... Thiamine deficiency #TypeB
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
are listed as Type ... Nonhypoxic • Type ... - Alcohol • Type ... - Propofol • Type ... #typeb #classification
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Diagnosis Framework Type ... dysfunction Type ... , Renal failure, ... dysfunction, Inborn Errors ... Thiamine & Biotin) Type
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Epidemiology and Biostatistics ... Sensitivity (rule ... Specificity (rule ... measurements Type ... when it’s true Type
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
PseudoHyperkalemia: • Lab error ... insufficiency/Failure ... • SLE • Type
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
PseudoHyperkalemia: • Lab error ... insufficiency/Failure ... • SLE • Type
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Tests for All Types ... testing has higher specificity ... test but lower sensitivity