What Causes Whooping Cough With History Of Heart Problems?

I DEVELOPED A DRY HACKING COUGH THAT IS SOUNDING MORE LIKE WHOOPING COUGH NOT TO MENTION BURNING AND PRESSURE IN MY CHEST. I HAD A CABG IN 2011 SO I AM AWARE OF HEART ISSUES THIS IS NOT THE CASE. MY UPPER ENDOSCOPY A FEW DAYS AGO... I GET CHILLS IT SEEMS LIKE THE ONSET OF THE FLU... BUT NO FEVER. THIS SYMPTOM ACTUALLY BEGAN WITH LARYXINGITIS. CAN YOU HELP.