Pre-eclampsia & Obstetric Emergencies

Also: eclampsia · HELLP · pregnancy hypertension

Pre-eclampsia and eclampsia are hypertensive disorders of pregnancy that can threaten mother and baby. Risk tools support prediction and assessment, alongside blood-pressure control and seizure prevention.

The relevant tools, drugs and pathways are gathered here.

Calculators & scores

HELLP Syndrome Diagnostic Criteria

Hypertensive Disorders
Pre-eclampsia Risk Screening (NICE NG133)

Obstetric Complications
Pre-eclampsia Risk Assessment

Antenatal
Modified Obstetric Early Warning Score (MEOWS)

Maternal Deterioration
Bishop Score (Cervical Ripeness for Induction)

Labour and Delivery
Placenta Praevia / Accreta Risk Assessment

Obstetric Complications
MOEWS — Modified Obstetric Early Warning Score

Maternal Surveillance

Decision pathways

Pre-Eclampsia / Eclampsia in ED

NICE NG133; RCOG Green-top 10A
HELLP Syndrome

RCOG; ACOG
Pre-eclampsia Management

NICE NG133 2019
Spinal Anaesthesia Hypotension Management

AAGBI; ASA
Maternal Sepsis

RCOG GTG 64a 2012 / MBRRACE-UK

Drugs

Labetalol (IV — Hypertensive Emergency)

Combined Alpha-1 and Beta-Adrenergic Blocker
Hydralazine + Isosorbide Dinitrate (HFrEF)

HFrEF — ACEi/ARB Intolerant
Hydralazine hydrochloride

Direct vasodilator
Labetalol hydrochloride

Combined α/β-blocker
Nifedipine

Dihydropyridine calcium-channel blocker
Magnesium sulfate

Electrolyte / antiarrhythmic / anticonvulsant
Glycerol with magnesium sulfate and phenol

Topical drawing paste / suppository combo
Labetalol

Alpha- and Beta-Blocker (Antihypertensive)
Hydralazine (IV — Acute Hypertension in Pregnancy)

Vasodilator (Antihypertensive)
Methyldopa (Chronic Hypertension in Pregnancy)

Centrally Acting Antihypertensive
Methyldopa

Centrally acting α2-agonist
Nifedipine (Modified-release)

Dihydropyridine calcium channel blocker

Decision support only. These tools are aggregated by topic to aid navigation — always apply clinical judgement and the relevant national or local guideline.