55 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Anemia (AIHA) - Differential ... Diagnosis Table ... #Anemia #AIHA #Differential ... #Diagnosis #Table ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Polyclonal - Viral Infection ... Clinical Presentation ... younger pts) Differential ... hemolytic #anemia #hematology
Important Causes of Diplopia 
TIER 1-CRITICAL
Basilar artery thrombosis, Botulism, Basilar meningitis, Aneurysmn
TIER 2-EMERGENT:
Vertebral dissection, Myasthenia gravis,
Diplopia TIER 1-CRITICAL ... encephalopathy, Orbital apex ... pseudotumor, Orbital apex ... mass #Diplopia #differential ... #diagnosis #ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... for the neuro-ophthalmologic ... Microvascular disease Infectious ... neuropathy (orbital apex ... #Diplopia #Differential
Ophthalmoplegia secondary to Orbital Apex Syndrome

A 61-year-old man presented with retro-orbital pain, near-complete ophthalmoplegia, loss of
secondary to Orbital Apex ... Syndrome A 61-year-old ... Ophthalmoplegia #Orbital #Apex ... #Syndrome #Clinical ... #Video #Ophthalmology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis - Differential ... Warm AIHA • Cold ... circulation - Infections ... Extravascular #Differential ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Autoimmune (AIHA)"Cold ... (e.g. primary cold ... spherocytosis) • Infections ... Extravascular #Causes #differential ... #diagnosis #hematology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Cold Urticaria Prevalence ... life Causes and clinical ... Infections 2. ... Urticaria #diagnosis #rheumatology ... #comparison #table
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness - Differential ... feel weak": • Infectious ... : CHF, valves, COPD ... Rhabdomyolysis, Critical ... Generalized #Weakness #Differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Autoimmune: Warm AIHA, Cold ... Internal (RBC) - Infections ... #Hemolysis #Differential ... #Diagnosis #hematology