If all heart related causes are ruled out then, chest pain aggravated by laughing yawning, moving in certain directions, stretching and deep breathing goes more in favor of costochondritis, which causes pain and tenderness at points where your ribs attach to your breastbone. The inflammation around the joint area gives sharp pain on taking a breath. This can also cause tenderness on pressing the area which pains. An orthopedic doctor can diagnose this for you. Generally there is no cause. However it can be due to infection, blow, injury, or fibromyalgia. It usually goes away on its own. Otherwise it can be treated with muscle relaxants, and non steroidal anti inflammatory drugs. You can apply a local pain killer gel or cream and avoid pressing on the area. You can also use a heating pad.
It can also be muscle pull. Shingles can also start this way.
Pleuritis and Pulmonary embolism are other possibilities causing shortness of breath with chest pain. A CT scan of the chest can rule out both. Another possibility that can explain the pain is pericarditis. It causes chest pain aggravated by laughing yawning and deep breathing and also causes radiation of pain to arms. Again an EKG, heat echo and chest X-ray is required. Stabbing chest pains can also be due to a bad gastric reflux. Take Omeprazole empty stomach in morning and an antacid gel at bedtime. Refrain from smoking, alcohol, carbonated drinks and spicy food.
Since I cannot examine you and know other related conditions you may be having, nor is a detailed history possible on net, I have listed the various possibilities that should be looked into. Please consult your PCP for primary examination followed by proper referral. Take care!
I can pin point where it hurts at I mean I get stomache pain in between my ribs when the chest pain occurs and everything I worry to much about having a heart attack at 17 I have family history of heart attacks and strokes in my family.. So I'm so scared I will have one my mom had hers at 37 years old and it scares me idk what to do sometimes it feels like take a stabbing pai and it changes to stabbing to throbbing to just being there and my chest had been hurting bad today on both sides and in the middle plus I have stomach pai with it I haven't ate yet and it's 5pm I'm not sure what the chest pain is from my heart is beating kinda fast and my legs and arms are shaky
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