Alasdair MacLullich

Geriatrician delirium researcher writer

Alasdair MacLullich: Clinical work, research and public resources

I am Professor of Geriatric Medicine at the University of Edinburgh and work in acute geriatric medicine and acute orthogeriatrics (care of older people with fractures) at the Royal Infirmary of Edinburgh.

I work on recognising delirium, assessing it well and helping clinicians and families know what to do next. This site links to the 4AT, research, books and practical information.

Start with delirium Explore resources University profile

Edinburgh, Scotland

Resources

Find the right delirium resource

These links include my own resources and work from separate organisations. Each is labelled by audience and purpose.

Patients and families

01 Delirium Support For patients, families and carers Free information in plain English, with printable resources. 02 Think Delirium For patients, families and carers Videos about delirium for healthcare professionals, patients and carers.

Clinical practice

03 The 4AT For clinical practice A free, brief assessment for possible delirium and cognitive impairment, with guidance, evidence and translations. No registration is required. 04 Delirium Tools For clinical practice A directory of delirium assessment tools that I maintain, with references, evidence and source links. 05 Delirium Academy For healthcare professionals Four free 20–35-minute modules about delirium, with questions and no registration.

Research and policy

06 Research For researchers and journalists Current programmes, selected publications and links to fuller publication profiles. 07 Delirium journal For research and policy The open-access scientific journal of the European Delirium Association, where I serve as Editor-in-Chief.

Learning, writing and awareness

08 Delirium Words For learning and writing Articles and commentary about delirium. 09 World Delirium Awareness Day For awareness and action The website for World Delirium Awareness Day, an iDelirium initiative.

Published and forthcoming

Books

Writing for patients, families, carers and healthcare professionals.

Front cover of The 4AT Manual

Published 31 July 2026

The 4AT Manual: A Practical Guide to Delirium Assessment

The manual explains how to administer, score and interpret the 4AT, with thirty worked clinical cases and guidance on implementation and audit. It is written for nurses, doctors, allied health professionals, students and educators.

The full manual is free to read or download as a PDF or EPUB, with no registration.

Read or download the manual free on the4AT.com

Kindle, paperback and hardback editions are also available through Amazon. Each link selects a local store.

All books

Writing & media

Articles, videos and research

Public writing and teaching are listed here with my academic publications.

Media and speaking Biographies, expertise, sources and enquiries Delirium Words Articles and commentary Think Delirium Videos and teaching Research Explorer Publications and academic activity ORCID iD 0000-0003-3159-9370 Google Scholar Citations and research profile

Current roles

Clinical and academic work

University of Edinburgh
Professor of Geriatric Medicine
Royal Infirmary of Edinburgh
Clinical work in acute geriatric medicine and acute orthogeriatrics
Delirium
Editor-in-Chief
Scottish Hip Fracture Audit
Chair

Contact

Professional enquiries

Email a.maclullich@ed.ac.uk or use my University of Edinburgh profile for current institutional details.

University profile

This website does not give individual medical advice.

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