12 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... Elevation and Reduction ... • 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 ... Hematologic Malignancy ... saturation to differentiate ... extreme ferritin elevation
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... in most cases; ... Mild-to-moderate elevation ... WBC count and differential ... Diagnosis #Workup #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Fragility: • Decreased ... mountain spotted fever ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology
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 #
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Emergencies - Differential ... Diagnosis Framework HEMATOLOGIC ... death Neutropenic Fever ... • Vomiting, decreased ... emergencies #oncology #differential
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
Dermatomyositis • Fever ... no significant elevation ... ILD worsens Decreased ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
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
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... run-down or tired • Fevers ... Superimposed infection - increase ... Bronchoscopy Laboratory ... Bronchiectasis #pulmonary #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis: • Fevers ... artery tenderness - decreased ... tract, and often causes ... #Diagnosis #Rheumatology