1304 results
Simplified Coagulation Cascade and Differential Diagnosis

#Coagulation #Cascade #Differential #Diagnosis #Intrinsic #Extrinsic #Pathway #Hematology
Differential #Diagnosis #Intrinsic ... #Extrinsic #Pathway ... #Hematology
Approach to Elevated aPTT / PT - Differential Diagnosis Algorithm

aPTT: Intrinsic / Final
PT: Extrinsic / Final

By
Algorithm aPTT: Intrinsic ... / Final PT: Extrinsic ... INR #Algorithm #Hematology
Isolated Neutropenia - Differential Diagnosis Algorithm
Chronic (>3 months):
 • Extrinsic: Vitamins
 • Intrinsic: Congenital, Inflammatory
Transient:
 •
3 months): • Extrinsic ... : Vitamins • Intrinsic ... Diagnosis #Algorithm #hematology
Coagulation Cascade Mnemonic - PITT vs PET
PITT (with an I) = Intrinsic = APTT
(with an I) = Intrinsic ... PET (with an E)= Extrinsic ... PET #diagnosis #hematology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolysis: • Extrinsic ... Microangiopathic • Intrinsic ... Diagnosis #Algorithm #hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Hemolytic: - Intrinsic ... HbSS, PNH - Extrinsic ... Differential #Diagnosis #hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Hemolytic Anemia Intrinsic ... elliptocytosis Extrinsic ... classification #hematology
The coagulation cascade is shown, separated into different phases with their endogenous and pharmacological inhibitors shown.
generate thrombin (extrinsic ... along with FXIIa (intrinsic ... diagnosis #models #hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
affected in the intrinsic ... and extrinsic pathways ... #differential #hematology
Review of the Coagulation Cascade
Traditional Model:
 • Parallel extrinsic and intrinsic pathways.
Contemporary Model:
 • 4 key
: • Parallel extrinsic ... and intrinsic pathways ... dependent upon intrinsic ... diagnosis #models #hematology