Asthma or Heart disease

Patient: My heart is beating loud and fast sometimes and I have a chest tightness, am I having an asthma or a heart disease?

Symptoms: I never had an asthma before although my mother has. Now, I have chest tightness and I feel like my heart is acting weird… I mean when I lie down I can feel my heart beating loudly sometimes… when Im sitting I feel like my hear is beating up to my throat, I mean I can feel my hear beating in the lower part of my throat, it feels like im being suffocated..