17 results
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... • Sickle Cell Anemia ... Cryoglobulinemia Infectious ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Rash • Human ... parvovirus B19 infection ... Malar rash ... parvovirus B19 infection ... #rashes #differential
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
integrity (trauma, infection ... , vasculitis) or ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Differential #
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Diagnosis Algorithm ... Megakaryopoiesis • Aplastic Anemia ... HUS • DIC • Vasculitis ... • Infection ... #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... Diagnosis Algorithm ... hemolysis, deficiency anemia ... Rheumatologic, Vasculitides ... #Diagnosis #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... - Vasculitis ... lesions • Severe pain ... #Differential #
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... - Differential ... foliaceus - Infectious ... Vesiculobullous #SkinRash ... #dermatology #Differential
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... borders of lips Infectious ... #Pustular #SkinRash ... #dermatology #Differential
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
inflammation or infection ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash ... #Differential
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... cardiac valve, vasculitis ... inclusions - If infection ... #workup #hematology