Do u mean ur anatomy organs??
Advise Mr. Walker to call 911 and be seen in the emergency room. SOA, pressure in the chest and sweating (diaphoresis) are i indicators of heart attack. I would suggest a low dose of baby aspirin too to thin the blood in the event it is a heart attack.
Step 5 is what I would say sorry if that did not answer you question
Symptoms may worsen, and the illness may progress. This could result in a less positive outcome for the patient; example: longer recovery process, terminal/chronic illness, or even longer term, death.