26 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... PT, aPTT(liver disease ... changes), high MCV ... bypass), LFT (liver disease ... #Workup #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Corpuscular Volume (MCV ... Myelodysplasia #Anemia #MCV ... Diagnosis #Algorithm #Causes ... #Hematology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
ULN R - Renal disease ... /dL or CC < 40 ml ... Causes of false- ... amyloidosis Other causes ... MGUS #diagnosis #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Reticulocytes, MCV ... , MCH, MCHC, Serum ... Anemia of Chronic Disease ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
) Low MCV - <80fL ... chronic kidney disease ... Alcohol use, Liver disease ... differential #diagnosis #causes ... #hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
A subset of hemophagocytic ... Petechial or purpuric rash ... 5000 to 10,000 ng/mL ... Diagnosis #Management #Hematology ... #Rheumatology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Hemophagocytic Lymphohistiocytosis ... (HLH) Pathophysiology ... • Autoimmune diseases ... Adult-onset Still disease ... Taar #HLH #Hemophagocytic
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Corpuscular Volume (MCV ... • Pancreatic Disease ... • Liver Disease ... #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
Hemophagocytic Lymphohistiocytosis ... age, however the disease ... Ferritin >500 ng/mL ... TheIDtrivia #HLH #Hemophagocytic ... management #treatment #hematology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
myeloid leukemia (CML ... Colitis and Crohn’s Disease ... Chickenpox Other Causes ... Differential #Diagnosis #causes ... #hematology #basophils