What are you observing?

Sudden sharp chest pain

with shortness of breath

Crushing chest pain, persistent

radiating to arm, jaw, or back

Shortness of breath at rest

unexplained, sudden onset

Blood in coughed-up mucus

hemoptysis

Facial drooping or arm weakness

one side of body affected

Slurred or incoherent speech

sudden onset

Sudden swelling in one leg

warmth, redness, or calf pain

Sudden limb pallor, no pulse

cold, painful, or numb limb

Heavy sweating, nausea

sense of impending doom

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Possible conditions

Select symptoms on the left to identify possible conditions and required actions.

This tool is for pattern recognition only. It does not diagnose. If in doubt, call 120.