20 results
Liver Enzymes (LFTs) - Causes of Hepatocellular and Cholestatic Liver Injury
Hepatocellular Liver Injury
 • AST/ALT elevation
) - Causes of Hepatocellular ... Injury • AST/ALT elevation ... skeletal muscle and kidney ... • R value = (ALT ... #differential #
Liver Function Test (LFTs) Elevation
AST - Cardiac and skeletal muscle, kidney, brain
ALT - More specific for
Liver Function Test ... (LFTs) Elevation ... skeletal muscle, kidney ... ALP ≥ 2x ULN R Value ... Transaminitis #diagnosis
Alkaline Phosphatase (ALP) Elevation - Differential Diagnosis Algorithm

ALP:
 - Enzymes that catalyze hydrolysis of organic phosphate
- Differential ... Diagnosis Algorithm ... Intestine - Other causes ... Intestine • Kidney ... #Differential #
Liver Chemistries - Interpretation of LFTs

R-value: Serum (ALT/ULN ALT) / (Alk phos/ULN ALP)
 • R >
Interpretation of LFTs R-value ... Bilirubin - +/- elevation ... Enzyme Elevation ... #chemistry #diagnosis ... #differential #
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
- Differential ... Diagnosis Algorithm ... Vascular Causes ... extrahepatic source - Tests ... Enzyme Elevation
Causes of Acute Kidney Injury ( AKI ) - Prerenal, Renal, and Postrenal

PRE-RENAL 
Impaired perfusion: 
•
Causes of Acute ... Kidney Injury ( ... Urethral stricture/valves ... /phimosis #Diagnosis ... Postrenal #Failure #Differential
Causes of Tremors - Movement Disorders - Differential Diagnosis Algorithm
Action Tremor - Occurs During Voluntary Muscle
Causes of Tremors ... Tremor - Occurs at Rest ... Etiology (Thyroid, Liver ... , Kidney) • Drugs ... #Causes
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Acidosis - Differential ... to bolus these values ... tests before beginning ... #Differential # ... Diagnosis #causes
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Diagnosis Framework ... involvement: Muscles, Kidneys ... - Headache - Abdominal ... acidosis - CPK elevation ... #diagnosis #causes
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... If the value is ... low, tests to detect ... Mild-to-moderate elevation ... WBC count and differential