30 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... == Decreased RBC ... • Asplenia Laboratory ... HbA1c #HgbA1c #Laboratory ... Diagnosis #DM2 #Differential
Causes of Hyperferritinemia - Differential Diagnosis
Ferritin > 1000
Ferritin is the storage form of iron. Increased hepcidin
- Differential ... Decreased hepcidin ... saturation to differentiate ... extreme ferritin elevation ... Hyperferritinemia #Differential
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... Mild-to-moderate decrease ... in most cases; ... Mild-to-moderate elevation ... WBC count and differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... - Differential ... Hypodipsia - Decreased ... intake of water • Decreased ... ICU patients • Fever
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Oxygenation - Differential ... entanglement Decreased ... Conditions: • Fever ... Oxygenation #Hypoxia #Differential ... Diagnosis #Algorithm #Causes
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Elevation, Lactic ... Acidosis - Differential ... - assess other laboratory ... muscle use • Decreased ... #Differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... • Secondary Causes ... Fragility: • Decreased ... mountain spotted fever ... Vasculopathy #Purpura #Differential
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Management Summary Causes ... Muscle swelling - Fever ... ULN • AST/ALT Elevation ... vasoconstriction → decreased
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Volume depletion → Decreased ... sweaty skin - Decreased ... acidosis - CPK elevation ... #diagnosis #causes
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... constipation Differential ... disturbances - decreased ... around the anus Laboratory ... #diagnosis #causes