clinical Flashcards
haemophilia signs and symptoms
Haemarthrosis muscle haematoma CNS bleeding retroperitoneal bleeding post-surgical bleeding
haemophilia investigations
Clinical prolonged APTT normal PT reduced FV 8/9 genetic analysis
haemophilia treatment
Replacement 8/9 DDAVP tranexamic acid gene therapy splints, PT, synovectomy, joint replacement, analgesia
von Willebrand disease
Platelet type mucosal bleeding; epistaxis, purpura, menorrhagia, GI
Tx for Von willebrand disease
VWF or DDAVP, tranexamic acid, OCP
signs and symptoms of thrombocytopenia
Petechia, ecchymosis, mucosal bleeding, CNS bleeds
investigations for liver failure thrombocytopenia
Liver failure -> reduced factors, prolonged PT, APTT, reduced fibrinogen, Vit K depletion
Immune thrombocytopenia Tx
steroids, IgG, splenectomy, thrombopoietin analogues
liver failure thrombocytopenia Tx
factor replacement, replacement of fresh frozen plasma, Vit K
haemorrhagic disease of the newborn tx
Vit K
haemolytic disease of the newborn sign
anaemia and jaundice
Tx for haemolytic disease of the newborn
Prophylactic anti-D 28/40 and sensitising events
type 1 hypersensitivity signs and symptoms
Anaphylaxis angioedema urticaria rhinitis asthma dermatitis, eczema
type 1 hypersensitivity Tx
Beta2- adrenergic agonists, epinephrine, anti-histamines, corticosteroids
type 2 hypersensitivity signs
Takes several hours, haemolysis
type 2 hypersensitivity signs
Renal failure, glomerulonephritis, nephrotic syndrome
type 4 hypersensitivity signs
2-3 days, delayed
type 4 hypersensitivity treatment
NSAIDs, corticosteroids, drugs that block TNF, IL-6, antibodies against B cells, immunosuppressive drugs
primary immunodeficiency signs and symptoms
SCID
Unusual rashes, diarrhoea, early stages of life, FH of neonatal death, consanguinity
investigations for primary immunodeficiency
Low lymphocyte count, flow cytometry
antibody deficiency signs and symptoms
later in life chronic/ recurrent bacterial respiratory infections
antibody deficiency Dx
antibody levels; IgG, IgM, IgA, specific antibodies, complement and neutrophil function
neutropenic sepsis symptoms and signs
> 38.5C, rigors, chest infection, skin sepsis, UTI, septic shock
initial investigations for neutropenic sepsis
Blood cultures, urine output, serum lactate
further Dx for neutropenic sepsis
CXR, throat swab, sputum, FBC, renal, liver function, coagulation screen, CT if fungal suspected
neutropenic sepsis prophylaxis
ciprofloxacin, fluconazole, aciclovir, co-trimoxazole, G-CSF, stem cell transplant, laminar flow rooms, I.V. Ab, vaccine
neutropenic sepsis Tx
oxygen, antibiotics (Tazocin, gentimicin, vancomycin, teicoplanin maybe caspofungin) , I.V fluids
Acute myeloblastic Leukaemia symptoms
Bone marrow failure, rapidly fatal, anaemia, thrombocytopenic bleeding, infection
Acute myeloblastic Leukaemia Dx
Blood count and film, bone marrow aspirate, cytogenic, immunophenotyping,
CSF, targeted molecular genetics
Acute myeloblastic Leukaemia Tx
Daunorubicin, cytosine arabinoside, CPX-351, allogeneic stem cell transplant, arsenic trioxide, all-trans retinoic acid, midostaurin tyrosine kinase inhibitor targeted treatment
Chronic myeloid leukaemia symptoms and signs
Anaemia, splenomegaly, weight loss, hyperleukostasis , gout
hypercellular bone marrow, anaemia, high platelets, high WCC, basophils and cellular differentiation, t(9;22)
Chronic myeloid leukaemia Dx
FBC, blood film, bone marrow biopsy
Chronic myeloid leukaemia Tx
Tyrosine kinase inhibitors imatinib, dasatinib, direct inhibitors BCR-ABL 1st line, allogeneic transplantation in TKI failure
hyperleukostasis causes
(fundal haemorrhage, venous congestion, altered consciousness, respiratory failure)
Polycythaemia Vera symptoms
Headaches, itches, vascular occlusion, thrombosis, TIA, stroke, splenomegaly
Polycythaemia Vera Dx
FBC, haematocrit, uric acid, blood film
Polycythaemia Vera Tx
Venesection, aspirin, hydroxycarbamide, ruxolitinib
polycythaemia vera labs
raised haematocrits and Hg, raised WCC, platelets, raised uric acid, raised red cell mass
Essential thrombocythemia signs and symptoms
Raised platelet count
arterial and venous thrombosis, digital ischaemia, gout, headache
mild splenomegaly
essential thrombocytopenia Tx
Aspirin, hydroxycarbamide, anagrelide
Essential thrombocythemia
Acute lymphoblastic leukaemia symptoms and signs
Rapid undifferentiated cells accumulating
short history of bone, joint pain and bone marrow failure, infections, sweats