45 results
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
feel weak": • Infectious ... illness, Infection ... ↓, Malignancy, Infection ... #Diagnosis #causes ... #neurology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... #differential # ... diagnosis #hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... Intravascular Hemolysis - Differential ... circulation - Infections ... Extravascular #Differential ... #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 ... Check For: • Infections ... Polyclonal IgM post infectious
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
etiology unknown • Infectious ... Direct microbial infection ... cells: consider infectious ... be ordered • Infectious ... disorders • Infections
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
hypogammaglobulinemia -> increased infection ... history of recurrent infections ... disease • Infectious ... community-acquired infections ... DDX - Other causes
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... • AIHA: warm, cold ... drug induced • Infections ... Hemolytic #Anemia #Differential ... classification #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
: infections (cutaneous ... with a variety of infections ... mycobacterial infection ... Parvovirus B19 infection ... and include: infections
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... Infarction - Infection ... syndromes #lesions #differential ... #diagnosis #neurology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... procedures - Infection ... (CVID, WAS), (neurologic ... Platelet #Disorders #Differential ... #Workup #hematology