34 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... #Petechiae #Rash ... Differential #Diagnosis #Algorithm ... #Causes #dermatology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... erythroderma, petechiae ... Ill-appearing, vital sign ... #Diagnosis #Dermatology ... #Rash #Maculopapular
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... Pathophysiology: ... #Diagnosis #Dermatology ... #Rash #Petechiae
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
History of bleeding (petechiae ... pylori test (GI symptoms ... test, ANA (e.g., SLE ... or if a primary hematologic ... #Workup #hematology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... Causes: 1) Exfoliative ... #Diagnosis #Dermatology ... #Rash #Erythroderma ... #Nikolsky #Algorithm
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... hair follicles -> causes ... Manifestations #pathophysiology ... #diagnosis #signs ... #symptoms #complications
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Erythematosus (SLE ... Myopathy (Also caused ... Erythematosus #SLE ... Complications #pathophysiology ... #signs #symptoms
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... within morulae Signs ... and symptoms: ... shaking chills • Rash ... ), cough (30% cases
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
less systemic symptoms ... can present with rash ... , Shaw sign, holster ... sign, and Gottron's ... Can also see mechanics
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
Gastrointestinal: Diarrhea, Nausea ... Dermatological: Petechaie ... , Erythematous rash ... Extrapulmonary #Diagnosis #Signs ... #Symptoms #SARSCOV2