David O’Hara

Consultant Anaesthetist

Mid Essex NHS Trust, Chelmsford, Essex, UK.

Latest Contribution

Diagram showing the intracellular pathway to produce freely diffusible nitric oxide from ingested glutamine, arginine and BCAA.

The importance of nitric oxide in medicine

6 April 2021 | | PMFA - General Plastic Surgery

The harmful effects exerted upon living and injured tissues by free radicals have been explored since the 1980s. Now in 2021 the free radical nitric oxide (NO) is not just a figment of imagination; it is known as one of...

Angioedema of face after facelift; the patient had an allergy to penicillin.

UK allergy crisis: deploy the ‘LIMED’ mnemonic

1 October 2019 | | PMFA - CPD, PMFA - General Plastic Surgery

In response to the revelation that allergies now cost the NHS approximately £900 million pounds per year, Professor Frame and colleagues in Chelmsford explain why the mnemonic ‘LIED’ needs to be updated.