The flutter could be tiny air bubbles, due to the higher fibre, moving about
You'll get a terrible headache.
Sounds like flu with a possible chest infection. Go and see your doctor about it
The symptoms are cough, chest pain, fatigue, headache, body aches, sore throat, difficulties to breath.
The symptoms are variable for people, but most of the patients with atrial flutter describe having a rapid heartbeat, a fluttering feeling in the chest, shortness of breath, anxiety and weakness. This does not count for people with heart or lung diseases.
Men sometimes lose chest hair
a fluttering feeling in the chest a pulse that feels like the heart is skipping, racing, jumping, or is irregular low energy a faint or dizzy feeling pressure or discomfort in the chest shortness of breath anxiety
aids
If your chest hurts a lot and your breaths are shorter than usual, you might be having an asthmatic attack especially if your chest whizzes.
Sometimes it is lag. But in this case, it seems like you have a block on top of your chest. If you put a block on your chest, the chest wont open.
It should not "flutter" perhaps you just feel the tightening in your chest. It does increase thoracic pressure which your heart may be reacting to. If you are worried see a doctor and ask for a heart monitor that will record your heart when you yawn.
The symptoms headache and body aches are non-specific and can be related to many diseases and disorders. The most common is the flu. If you suspect an illness, consider seeking the help of a qualified physician for diagnosis and treatment.