Hypertension In Pregnancy Flashcards
What happens to the blood volume during pregnancy?
Increases 30%
Plasma volume decreases during pregnancy, true/false?
False
Increases 45%
What happens to cardiac output during pregnancy
Increases 30-50%
By what % does stroke volume change during pregnancy?
Increases 25%
During pregnancy does peripheral vascular resistance increase or decrease?
Decreases 15-20%
What happens to the CVP during pregnancy?
Nothing it remains unchanged
Why does BP increase during pregnancy?
Peripheral vascular resistance decreases due to increased vasodilation
How is hypertension diagnosed?
> 140/90 mmHg on two occasions
OR
160/110 mmHg once
During their pregnancy, when are women most likely to develop pregnancy induced hypertension?
During second trimester
What is the risk of PIH becoming pre-eclampsia?
15%
Rate of recurring hypertension in pregnancy is common? True/False
True
Rate of recurrence is high
What three features found together lead to a diagnosis of pre-eclampsia?
Hypertension
Proteinuria
Oedema
When do the majority of pre-eclampsia patients present?
> 34 weeks gestation
What risks are associated with early pre-eclampsia?
Extensive villous and vascular lesions of placenta
Higher risk of maternal and foetal complications
Define pre-eclampsia
A pregnancy-specific multi-system disorder with unpredictable, variable and widespread manifestations
What three placental problems can occur in pre-eclampsia?
Restricted foetal growth
Placental Abruption
Intra-uterine death
List three CNS complications of pre-eclampsia?
Intracranial hemorrhage
Hypertensive encephalopathy
Cerebral oedema
What is HELLP syndrome?
This is a complication of pre-eclampsia consisting of
Haemolysis, Elevated Liver enzymes, Low Platelets
List three hematological complications of pre-eclampsia?
Decreased plasma volume
Thrombocytopenia
Haemolysis
Give three renal complications of pre-eclampsia?
Decreased eGFR
Proteinuria
Acute renal failure
What two pulmonary complications can result from pre-eclampsia
Pulmonary Oedema
Pulmonary Embolism
List five symptoms of pre-eclampsia
Headaches Visual disturbance Nausea/Vomiting Rapid oedema RUQ/Epigastric pain
List 4 signs of pre-eclampsia (not the 3 diagnostic features)
Abdominal tenderness
Disorientation
Small for gestational age
Hyper-reflexia / clonus
What investigations are carried out for pre-eclampsia?
Us and Es Serum Urate LFTs FBC Coagulation Screen Urine PCR CTG Ultrasound