62 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
deficiency • Liver ... mountain spotted fever ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... mentagrophytes) Clinical ... Hair loss • Fever ... Lymphadenopathy Treatment ... Griseofulvin #Kerion #Dermatology
Diagnostic criteria for Neutropenic Enterocolitis (NEC)
Major Criteria:
 • Neutropenia (ANC <500 x 10^9 cells/L)
 • Bowel
• Neutropenia (ANC ... 30mm length) • Fever ... Diagnosis #criteria #hematology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
megaloblastic anemia Treatment ... if neutropenic fever ... diagnosis #management #treatment ... #hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
Risk factors: Critical ... without other cause ... explain symptoms • Fever ... pulmonary edema) • Fever ... Transfusion #Reactions #hematology
Severe Left Atrial Enlargement on Echocardiogram
Have you ever seen a left atrium this big!?!? 
LA diameter
Echocardiogram Have you ever ... Enlargement #Severe #Cardiology ... Echocardiogram #Clinical ... #POCUS #A4C
Hemophagocytic Lymphohistiocytosis (HLH)
Clinical Features: Fever, Splenomegaly, Hepatomegaly, Lymphadenopathy, Confusion
Classic lab findings in HLH: ↑↑ ferritin, Anemia,
Lymphohistiocytosis (HLH) Clinical ... Features: Fever ... 8 criteria: • Fever ... Lymphohistiocytosis #diagnosis #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
disease • Periodic fever ... multiorgan failure • Fever ... - Nonremitting fever ... Diagnosis #Management #Hematology ... #Rheumatology
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... disease caused ... Inflammation: high fever ... TREATMENT: ​• Acute ... gabrieltalledop #Oroya #Fever
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
accumulation of clinical ... : fever +++, hepatosplenomegaly ... , ↓ Fibrinogen level ... Treatment: • ... #summary #rheumatology