Emergency MedicineNeurology
Suspected Subarachnoid Haemorrhage
Thunderclap headache assessment — Ottawa SAH rule, CT within 6h, LP after 12h if CT negative, neurosurgical referral.
Source: NICE NG228; RCEM 2023; AHA/ASA 2023
Step 1 of ~9
info
Red-Flag Headache Assessment
Sudden severe (thunderclap) headache reaching peak intensity within 1 minute, often described as 'worst ever'. Other red flags: neck stiffness, photophobia, focal neurology, altered consciousness, seizure, syncope at onset, age >50 first severe headache, exertional onset.
Related
Curated clinical cross-links plus same-class fallbacks.
Drugs
- Ceftazidime · Third-Generation Cephalosporin — Pseudomonas / Gram-Negative Infections
- Amikacin · Aminoglycoside — Drug-Resistant Gram-Negative / MDR-TB
- Tigecycline · Glycylcycline — MDR Gram-Negative / Polymicrobial / Complicated Intra-abdominal
- Ceftazidime / Avibactam · Beta-Lactam / Beta-Lactamase Inhibitor (MDR Gram-Negative)
- Ciprofloxacin (Orthopaedic — Gram-negative Osteomyelitis) · Fluoroquinolone Antibiotic
- Meropenem (Multi-resistant Gram-negative Bone Infections) · Carbapenem Antibiotic
Pathways
- Difficult Airway Algorithm (DAS) · DAS 2015; Royal College of Anaesthetists
- Major Haemorrhage Protocol · NICE NG24; UK MHP guidelines
- New-Onset Atrial Fibrillation · ESC 2020 AF Guidelines; NICE NG196
- Hypertensive Emergency · ESC/ESH 2018 Hypertension Guidelines; NICE NG136
- Bradycardia Management · Resuscitation Council UK ABCDE; ESC 2021 Pacing Guidelines
- Ventricular Tachycardia / Fibrillation · Resuscitation Council UK ACLS; ESC 2022 Ventricular Arrhythmia Guidelines
Decision support only. Always apply local guidelines and clinical judgement.