129 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... deficiency • Liver ... mountain spotted fever ... Differential #Diagnosis #hematology ... #rheumatology #
Temporal (Giant cell) Arteritis 
Risk Factors:
 • Age (almost never occurs before age 50) 
Clinical:
 •
• Age (almost never ... before age 50) Clinical ... Arteritis #Diagnosis #Rheumatology
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
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
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
megaloblastic anemia Treatment ... if neutropenic fever ... diagnosis #management #treatment ... #hematology
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
: High spiking fever ... Systemic AOSD: high fever ... synovitis (40%) Treatment ... Disease #AOSD #rheumatology ... diagnosis #management #treatment
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
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
correlates with time of fever ... Daily high spiking fever ... - Fever spikes ... Fever of at least ... AOSD #diagnosis #rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Still's Disease Clinical ... triad: Fever, Arthralgia ... diagnosis #management #treatment ... #rheumatology