10 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
microangiopathy: Thrombotic thrombocytopenic ... Mycoplasma pneumoniae infection ... spherocytosis) • Infections ... Extravascular #Causes #differential ... #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Schistocytes, thrombocytopenia ... inclusions - If infection ... #Anemia #Differential ... Algorithm #workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... DIC/TTP/HUS - Hemolytic ... SLE) - Viral infections ... APLS • Acute Infectious
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... specifically immune thrombocytopenia ... and autoimmune hemolytic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Late phase • DDx ... POCUS #radiology #differential ... diagnosis #comparison #table ... #appearance #hepatology
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver Lesions ... Delayed Phase DDx ... CT #radiology #differential ... diagnosis #comparison #table ... #appearance #hepatology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Neutropenia - recurrent infections ... /fevers • Thrombocytopenia ... : - Genetic lesions ... Idiopathic • Infections ... and thymoma DDX
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Appearance of Liver Lesions ... phase, Late phase DDx ... POCUS #radiology #differential ... diagnosis #comparison #table ... #appearance #hepatology
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Appearance of Liver Lesions ... hepatobiliary phase DDx ... MagneticResonance #radiology #differential ... diagnosis #comparison #table ... #appearance #hepatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
platelet count (thrombocytopenia ... petechiae) • Frequent infections ... Macrocytic anemia DDX ... • Parvovirus infection ... blood count with differential