You are being treated for heartburn or hiatal hernia, and you feel sudden chest or stomach pain, have difficulty swallowing, are vomiting, or are unable to have a bowel movement or pass gas; you may have a hernia that has become obstructed or strangulated, which are emergencies.
One strong possibility for your symptom is gall bladder stones and cholesterol deposits within the gall bladder which can cause sharp pain. Getting an ultrasound of the upper abdomen done in a walk in clinic or the ER will confirm the diagnosis.
The triceps surae muscle is a three-headed muscle at the dorsal lower leg. It lies within the superficial posterior compartment. Its heads and body determine the surface anatomy of the calf. Its insertion, the Achilles tendon, is easily visible and palpable at the heel.