hi suggest you have a good read through this link from the mayo clinic you may find it interesting. <link> just copy link into google to the www. to open and read. hope you understand it. good luck
could i have congestive heart failure? . i have been diagnosed with sinus tachycardia. i have had an echocardiogram and everything looked fine. i'm not on meds for tachycardia. i've noticed lately that when i lay down at night i feel smothered and have a weezing when i breath. i turn over to sleep on my stomach and i'm fine it goes away. i google this and everything leads me to congestive heart failure. is that possible? maybe i have a mild case? shouldn't that have been diagnosed from my echo?