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DETAILED NOTE / 14.02

Spreading infection

BDS coreAcute care & emergencies

Assess airway, swallowing, mouth opening, systemic signs and anatomical spread. Escalate urgently for red flags and source control.

On this page
01

Understand

Head and neck infection can progress from a local abscess to deep-space disease and airway compromise. A patient may deteriorate before dramatic external swelling appears.

02

Assess

Check voice, breathing, swallowing, drooling, trismus, floor of mouth, neck spread, observations and comorbidities. A rapidly evolving course is a red flag.

03

Apply

Arrange urgent emergency assessment for airway or systemic concern, with source control and supportive care. Do not send home a patient with progressive dysphagia on oral antibiotics alone.

04 / A CLOSER LOOK

Key distinctions

Deep infection can affect airway before oxygen saturation falls. Voice change, drooling, dysphagia, tongue elevation and rapidly increasing trismus should trigger urgent escalation. Consider systemic observations and immune status, but a normal temperature does not exclude serious disease. The source needs control, and the team may need anaesthetic, surgical and medical support in parallel.

05 / IN PRACTICE

Think through a case

A swelling with trismus, drooling and a changed voice is an emergency even if the patient has taken oral antibiotics for two days.

06 / EXAM PITFALL

The distinction to remember

Do not let a normal-looking skin surface or a lack of fever override airway and swallowing red flags.

07

Test your recall

Why is progressive dysphagia concerning?

Show answer
MODEL ANSWER

It may indicate deep-space spread and airway risk.

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