What is a heart attack?

[LaurenLeventry]

thanks for this explanation. i'm taking allied health science in school and currently doing the circulatory system...i was confused on this. one question, is an R/O MI the same thing as an MI?

[gregwar7]

THANKS SO MUCH you helped me ACE my assignment on the heart attack thank[you thankyou thankyou

[23580578]

nice lecture with animation

[happilylil]

hypertension have been a problem to our family, i know what i am facing if i dont do anything about it. then i found out about Levodyn and i am very grateful that i did.

[Brasik1]

Thank you for your video. May I comment that I think its just a tiny bit laid back... kinda sleepy!!!

[andyygz]

Remember: Time is muscle!!!!

[annakatloveslife]

this is a blessing for me and my groupmates! ;)

[thiaguwinid]

Clear explanation, i can use it for my students

[Zekee27]

So this means you could have a heart attack and not even notice it?? and not feel the permanent damage afterwards?