Ha - Emergency Morphology (E) Flashcards
7 conditions in which an emergency blood film might be useful
malaria
acute anaemia
ITP / TTP
leukaemia / lymphoma
AKI
infection
how is babesiosis different to malaria on blood film
babesia microti - extracellular parasites and ring forms
PC of babesios
fever in an immunosuppressed person from USA (parasite endemic there)
who gets unusual infections in general
HIV+ patients
neutrophil morphology in megaloblastic anaemia
hypersegmented
4 blood film features of paroxysmal cold haemaglobinuria
agglutination
spherocytes
erythrophagocytosis
atypical lymphocytes
parvovirus blood film
no reticulocytosis suggesting red cell aplasia
how do you tell the difference between haemaglobinuria and haematuria
centrifuge the urine - haematuria will have red cells at bottom and urine at top
spherocytes and polychromatic macrocytes suggests what
haemolysis
4 important causes of anaemia in neonate
haemolytic disease of newborn
g6pd deficiency
maternal parvovirus infection
fetomaternal haemorrhage
what Ix is needed before giving platelets if the platelet count is low & why
confirmation from lab of automated count verification
is TTP an emergency
YES - untreated mortality rate is 90%
Tx for TTP
plasma exchange
steroids
what do leukaemia cells look like
primitive cells, cytoplasm full of granules
why is acute promyelocytic leukaemia an emergency
can rapidly die of DIC
increased fibrinolysis
