444693
Descrição
Mapa Mental por mhairi.mair, atualizado more than 1 year ago
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Criado por mhairi.mair
quase 11 anos atrás
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Hypertension
- Primary Hypertension
- no known cause
- ? genetic
- present before 20/40
- generalised arterial spasm
- incr. peripheral resistance
- no known cause
- Secondary Hypertension
- as a result of underlying illness
- renal disease
- adrenal compromise
- overactive pituitary
- present before 20/40
- as a result of underlying illness
- Gestational Hypertension
- BP increases after 20/40
- >140 / >90
- increase of >25mmHg above baseline
- BP increases after 20/40
- Pre eclampsia
- Gestational hypertension with proteinuria
- maladaptation of maternal circulatory system in response to the trophoblast
- spiral arterioles are too narrow and are still able to constrict
- BP increases and less blood gets to placenta
- placental ischaemia causes release of toxins into blood which damage vessel endothelium
- coagulation cascade activated to heal damaged vessels = vasoconstriction = incr BP
- Gestational hypertension with proteinuria
- Eclampsia
- occurrence of one or more seizures
- occurrence of one or more seizures
- Normotensive
- increased CO
- vasodilation under progesterone
- trophoblast gouges out muscular layer of endometrial spiral arterioles
- increased CO
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