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Your case is complex due to multiple complaints and involvement of multiple systems. More than one problem is possible in your case.
From this history there is multiple possibilities in your case, which need to rule out or treated:
-Cardiac illness: need to rule out first as there is complaint of chest pain
disorder: as there is history of stress
-Vitamin deficiency: So take healthy diet.
-Substance use: Stop use if present.
imbalance specially thyroid
Apart from that get your foot examined by general surgeon
for diagnosis and management.
I hope this information has been both informative and helpful for you.
Wish you Good Health.
Dr. Ashish Mittal