10 results
An Approach to the Unknown Rash: Petechial-Purpuric Rash 
#Diagnosis #Dermatology #Petechial #Purpura #Purpuric #Rash #Palpable #Algorithm
An Approach to the ... Unknown Rash: Petechial-Purpuric ... #Dermatology #Petechial ... #Palpable #Algorithm ... #Differential #ALiEM
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Vasculitis - Collagen disorders ... #Petechiae #Rash ... #Causes #dermatology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... Differential Diagnosis Algorithm ... blisters, possibly crusts ... Herpes zoster (shingles ... #causes
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach ... Differential Diagnosis Algorithm ... • RBC Membrane Disorder ... RBC Metabolism Disorder ... #Causes #Hematology
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Differential Diagnosis Algorithm ... sclerosis (white "ash ... Hypopigmentation #disorders ... #skin #dermatology ... #causes
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... Differential Diagnosis Algorithm ... sclerosis (white "ash ... #skin #dermatology ... #causes
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
considered to be caused ... specific to a single ... : Petechiae are ... a generalized disorder ... Nomenclature #Atlas #Key
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
suggest vascular or hematologic ... depigmentation disorders ... Seen in systemic causes ... disease. 6 Causes ... and Key Features
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... caused by blood ... by bleeding (petechiae ... Neutropenia • Platelet Disorders ... Syndromes #diagnosis #hematology
Hemophagocytic Lymphohistiocytosis (HLH)

High mortality without prompt recognition and management. HLH is a critical diagnostic consideration in
hyperinflammatory syndrome caused ... • Key Characteristics ... Treatment Approach ... malignancy, autoimmune disorder ... Diagnosis #Management #Hematology