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Cough/sputum

This child is actually not coughing. He's just being choked by that man, just before having his neck broken.

Definition

Cough is a reflex for clearing the large airways. Productive means bringing things up with the cough ("dry" means the opposite). Haemoptysis is coughing up blood.

Epidemiology

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Pathophysiology

Differential Diagnosis

Clinical and Associated Features

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Haemoptysis is a red flag, mainly because it's a symptom of cancer, PE and TB, all of which are serious, and thus it shouldn't be ignored!

Paeds

Investigations

Management