Editing Decompression illness (section)

== Signs and symptoms ==
{{further|Decompression sickness#Signs and symptoms|Air embolism#Signs and symptoms}}
Approximately 90 percent of patients with DCS develop symptoms within three hours of surfacing; only a small percentage become symptomatic more than 24 hours after diving.<ref name="Pollock and Buteau" /> 

Below is a summary comparison of the signs and symptoms of DCI arising from its two components: ''Decompression Sickness'' and ''Arterial Gas Embolism''. Many signs and symptoms are common to both maladies, and it may be difficult to diagnose the actual problem. The dive history can be useful to distinguish which is more probable, but it is possible for both components to manifest at the same time following some dive profiles.

{| style="padding: 0.3em; margin-left:15px; border: 1px solid #B8C7D9; background-color:#f5faff; text-align:left;"
|- style="padding: 0.3em; background-color: #cedff2;"
! scope="col" style="padding: 0.3em;" | Decompression sickness
! scope="col" style="padding: 0.3em;" | Arterial Gas Embolism
|-
! colspan="2" | Signs
|- style="vertical-align:top;"
| style="padding-right: 1em;" | {{plainlist |
* Skin rash
* Paralysis, muscle weakness
* Difficulty in urinating
* Confusion, personality changes, bizarre behaviour
* Loss of memory, tremors
* Staggering
* Collapse or unconsciousness
}}
| style="padding-right: 1em;" | {{plainlist |
* Bloody froth from mouth or nose
* Paralysis or weakness
* Convulsions
* Unconsciousness
* No breathing
* Death
}}
|-
! colspan="2" | Symptoms
|-
| style="padding-right: 1em;" | {{plainlist |
* Fatigue
* Skin itch
* Pain in joints or muscles
* Dizziness, vertigo, ringing in the ears
* Numbness, tingling and paralysis
* Shortness of breath
}}
| style="padding-right: 1em;" | {{plainlist |
* Dizziness
* Blurring of vision
* Areas of decreased sensation
* Chest pain
* Disorientation
}}
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