Unlikely to be a concern unless develops reduced conscious level (a late sign of serious organ failure)

• Raised respiratory rate

• Shortness of breath

• Hypoxia, low oxygen saturations

• Haemoptysis (coughing up blood)

• Tachycardia

• Hypotension

• Signs of shock

• Confusion, agitation or reduced conscious level due to hypoxia or shock ( a late sign)

• Chest pain

There may be evidence of DVT, such as localised redness, swelling, heat and pain at the site of the DVT.