one year after CABG I feel irritation/ slight heaviness near my heart. this is increased when I have gas/acidity especially during the night. also towards early morning my sleep gets disturbed due to a nervous/fearful feeling starting from my guts and creeping towards my heart and finally the brain.this is accompanied by a deep stroke of claustrophobia whence I have to get up from my bed and open all doors and windows lasting about 5 to 10 minutes. what is the root cause of all this ? ------  kaushik joshi, nashik
Your heart needs to be examined as this is the frequent complaint of cardiac patients when heart is not pumping properly as a result on lying down the blood supply containing oxygen to the brain is compromised leading to fearfulness, chest heaviness and awakening.