14 results
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Diagnosis Framework ... GN: ANCA, Anti-GBM ... , C3/C4, Other ... Medication, Infection, Autoimmune ... #causes #algorithm
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... Viral: HIV, HCV, EBV ... : ITP, HITT - Autoimmune ... #hematology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Lymphocytopenia DIAGNOSTIC ... • Autoimmune ... EBV. CMV. ... #hematology #Differential ... #Causes #lymphocytopenia
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... malignancies, autoimmune ... infection and autoimmune ... comparison #table #differential ... #diagnosis #dermatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... Auto-amplification loop Diagnosis ... solid cancers • Autoimmune ... Drugs, Unknown cause ... treatment #summary #rheumatology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... Diagnosis Neonate ... #Neutropenia #differential ... #diagnosis #causes ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... hemolysis • C3↓ C4 ... - Mycoplasma, EBV ... CLL (older) • Autoimmune ... younger pts) Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... disease • Non-autoimmune ... rheumatologic diseases ... deficiencies • Autoimmune ... #Rheumatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Diagnosis Algorithm ... Vascular Causes ... HBV, HCV, HEV, EBV ... : Autoimmune hepatitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Diagnosis Framework ... tract, and often causes ... mucositis - Rash ... #diagnosis #rheumatology