18 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Disorientation, vertigo Diagnostic ... infiltration (lymphocytes ... #Urticaria #diagnosis ... #rheumatology #
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... Autoimmune (AIHA)"Cold ... (e.g. primary cold ... #hematology #anemia
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... : • Liver disease ... • AIHA: warm, cold ... #Differential #Diagnosis ... #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Leukemia): • Lymphocytes ... extramedullary disease ... -> AML: Blast crises ... #Leukemia #Hematology ... #Oncology #Diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... practices that could ... PT, aPTT(liver disease ... #Differential #Diagnosis ... #hematology
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential Diagnosis ... Claudication) - Cold ... Peripheral Vascular Disease ... #Algorithm #Orthopedics ... #Causes
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
- Albumin - Cold ... Cryofibrinogenemia Diagnosis ... cryoglobulins • Negative causes ... Cryofibrinogenemia #diagnosis ... #rheumatology #
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... in Sickle Cell Disease ... predispose to other orthopedic ... #differential #diagnosis ... #causes #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
late adulthood • Diagnosis ... Granulomatous lymphocytic ... conditions Diagnosis ... DDX - Other causes ... #diagnosis #management
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
super-antigen mediated disease ... bouts of HTN Diagnostic ... Pleocytosis: Mild lymphocytic ... Pallidum - Lyme Disease ... MCTD - Bechet disease