about 2 months ago i started getting slight chest pains on the left side and alot of shortness of breath sometimes even when im talking or tieing my shoes, they have done a nuclear stress test and also they have done a heart cath and everything look fine they tell me but im still haveing the problems well about 3 weeks ago i woke up and the left side of my face is slightley numb and feels droopey even tho it dosent look diffrent and too this day i still feel this , my dad had a blocked carotid and i read somewhere it may be herditary its that true ?? does anyone have any idea what may be causeing my problems if you dont think its my carotid ?? and my last part of the question is wouldnt they have seen the carotid blocked with the heart cath ????? im 48 yrs old non drinker , non smoker, have high blood pressure which im on meds for and i have a slow thyroid which im on meds for and i do get alot of headaches