12 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... commonly renal and pulmonary ... #Diagnosis # ... Dermatology #Rash
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology Atlas ... Myelodysplastic syndrome ... Malignant tumors, Acute ... PD deficiency, Pulmonary ... #key #diagnosis
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
Ageusia, Myalgia, Anosmia ... cor pulmonale ... Dermatological: Petechaie ... , Erythematous rash ... Extrapulmonary #Diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
, Palpable purpura ... Maculopapular rash ... • Palpable purpura ... • Goodpasture syndrome ... #rash #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... - Hemolytic anemia ... Kasabach-Merritt syndrome ... - APLS • Acute ... #dermatology
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
Syndrome Acute ... (28%) • Skin rash ... enzymes ↑ • Mild anemia ... test is capable ... #diagnosis
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
larger and may be palpable ... scale following acute ... nettle sting #Diagnosis ... #Dermatology #Skin ... #Nomenclature #Atlas
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Significant ↓ PLT: Petechiae ... develop leukostasis syndrome ... - infiltrates (anemia ... • Tumor lysis syndrome ... #Oncology #Diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
mucosal bleeding (Petechial ... or purpuric rash ... with leukopenia, anemia ... #Diagnosis #Management ... #Hematology #Rheumatology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS ... Culture (+): Acute ... Cerebral > Splenic, pulmonary ... hemorrhages • Petechiae ... Leukocytosis, anemia