100 results
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
similarly to mast cells ... during an allergic reaction ... Or Inflammatory Reactions ... Chickenpox Other Causes ... #hematology #basophils
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
cytokines Common causes ... : - Drug reaction ... infection - Allergic reaction ... disease Rare causes ... CD3-CD4+ T cells
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
blisters, possibly crusts ... Bullous impetigo - Reaction ... diabeticorum) - Reaction ... Vesiculobullous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Drug Reaction with ... hypersensitivity reaction ... with allergic reaction ... medication (in this case ... Images #Clinical #Dermatology
Drug Reaction with Eosinophilia and Systemic Signs (DRESS Syndrome): Formerly known as drug hypersensitivity reaction, DRESS
represents
Drug Reaction with ... hypersensitivity reaction ... with allergic reaction ... medication (in this case ... Images #Clinical #Dermatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophilia, 500-1,500 cells ... for secondary causes ... eosinophilia (common causes ... allergy, drug reaction ... Differential #diagnosis #hematology
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
Cardiovascular Causes ... - Tamponade Pulmonary ... Vasculature: - PE - Pulmonary ... Transverse myelitis • Hematology ... #pulmonary
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
hypersensitivity reactions ... Allergen-specific lgE causes ... Acute transfusion reaction ... T-cells recruit ... hypersensitivity #reactions
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Causes of Pseudocellulitis ... avoid allergic reactions ... Inflammatory Causes ... Pseudocellulitis: • Drug reaction ... #dermatology #skin
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... elliptocytosis Extrinsic Causes ... Intravascular Causes ... • Transfusion reactions ... classification #hematology