Haematology disorders - Red cell and Clotting disorders Flashcards
Anemia
S/S
Red cell indices
Use of WBC and PLT count in anemia
Peripheral blood smear
Types of abnormal RBC
Ddx normocytic anemia
Howell Jolly bodies
Polychromasia
Basophilic stippling
Ddx target cells
Spherocytes
Red cell fragments
Ddx low RBC production
Ddx increased peripheral consumption of RBC
Ddx normocytic, microcytic, macrocytic anemia
Approach to microcytic anemia
Approach to macrocytic anemia
Microcytic anemia
Ddx
Mc Anemia
Ix
Iron metabolism
Absorption
Recycling
Storage
Iron deficiency
Causes
Progression of iron deficiency
IDA
S/S
IDA
Ix
IDA
Mx
Causes of refractory IDA
Thalassemia
Pathogenesis
A-thal
Pathogenesis
A thal
Clinical presentation in minima, minor, intermedia, major
B-thal
Pathogenesis
B-thal
Clinical presentation of minor, intermedia, major
Thalassemia
Anemic symptoms
Extremedullary hematopoiesis
Symptoms
Iron overload
Symptoms
Thalassemia
Cardiopulmonary complications
Thalassemia
Musculoskeletal complications
Thalassemia
Ix
Thalassemia
Mx
Thalassemia
Treatment for iron overload
Refractory to transfusion Mx
Thalassemia
Disease monitoring
Familial anemia
Ddx
Familial anemia
Hx
P/E
Aplastic anemia
Primary and secondary causes
Aplastic anemia
Pathogenesis
S/S
Aplastic anemia
Ix
Aplastic anemia
Severity grading
Prognosis
Aplastic anemia
Mx
Fanconi anemia
Cause
S/S
Dx
Mx
Prognosis
Dyskeratosis congenita
Cause
S/S
Dx
Mx
Prognosis
Diamond blackfan anemia
Cause
S/S
Dx
Mx
Prognosis
Ddx acquired hemolytic anemia
Intravascular hemolysis
Causes
Pathogenesis
Clinical presentation
Extravascular hemolysis
Causes
Pathogenesis
Clinical presentation
Hemolytic anemia
Ix
Red cell membrane
Proteins for cytoskeleton
Hereditary spherocytosis
Pathogenesis
Clinical presentation
Hereditary spherocytosis
Dx
Mx
Pyruvate kinase deficiency
Cause
S/S
Dx
Mx
G6PD
Pathogenesis
G6PD
Clinical presentation
G6PD
Triggers of hemolysis
G6PD hemolysis
Ix
Mx
Hemoglobin defects
Ddx
Hemostasis
Physiology
Coagluation cascade
PT, aPTT function
Clotting disorder
Vasculature causes
Congenital platelet defects
Acquired platelet defects
Coagulation defects
Differentiate platelet vs coagluation defect
Clotting defect
Hx
Clotting disorder
P/E
Clotting disorder
Ix
Thrombocytopenia
Ddx
Thrombocytopenia
Ix
Thrombocytopenia
Mx
ITP
Causes
ITP
Pathogenesis
ITP
Clinical presentation
ITP
Dx
ITP
Mx
1st line therapy
ITP
2nd line therapy/ Mx of refractory ITP
Clotting profile
Metrics
Typical range
Clotting Factor deficiency tests
Ddx isolated prolonged PT, aPTT
Ddx prolonged PT and aPTT
Ddx bleeding with normal clotting profile
Approach to isolated prolonged PT/ aPTT
Approach to prolonged PT + aPTT
Hemophilia
Cause
Severity grading
Hemophilia
Clinical presentation
Hemophilia
Ix
Hemophilia
Mx
Hemophilia
Indications for prophylactic vs on-demand factor replacement
Hemophilia
Specific tx for types of bleeding
Hemophilia
Refractory to factor replacement
Mx
VWD
Types
Pathogenesis
VWD
S/S
VWD
Ix
Dx
VWD
Mx
Thrombophilia
Ddx
Antithrombin deficiency
Clinical features
Tx
Protein C/S deficiency
Clinical presentation
Tx
Workup for unexplained thrombosis
DIC
Pathogenesis
MAHA, TMA, DIC Definition
DIC
Causes
DIC
Clinical presentation
Cx
DIC
DIC
Ix
DIC
Mx