8 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... uremic syndrome ... idiopathic) - Autoimmune ... Extravascular #Causes #differential ... #diagnosis #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Valves, AS - HTN ... Membrane): - Autoimmune ... Drug-associated, PCH, Evans Syndrome ... Diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Thrombocytosis - Differential ... iron deficiency, hemolysis ... inflammatory disorders (e.g ... . autoimmune, TB ... Myelodysplastic syndrome
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... Viral infection, autoimmune ... nose, ears, or fingers ... younger pts) Differential ... #anemia #hematology
Hypertensive Disorders of Pregnancy
Chronic Hypertension:
 • Guidelines as SBP ≥130 or DBP ≥ 90 mmHg
 •
And Proteinuria (e.g ... patients • HELLP: Syndrome ... of hemolysis, elevated ... #obstetrics #cardiology ... #differential #
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
by 24 hours or longer ... /Sepsis/Shock, Autoimmune ... Reversible course Differential ... • EEG: With persistent ... • Treatment of HTN
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Abdominal pain • HTN ... pulmonary infiltrates, hemoptysis ... infiltrates/cavities, hemoptysis ... #Diagnosis #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... Aldolase levels • EMG ... RP-ILD), dermato-rheumatologic ... flexors, quadriceps, finger ... #differential #