What can cause sudden confusion and an increased heart rate in a 16 year old?

Many possibilities. Certainly medications and drugs can cause that combination of change. Also seizures can cause sudden confusion and elevated heart rate.

Related Questions

Resting heart rate at 190+ for a 16 year old, what does this indicate?

SVT. This is a rhythm problem called supraventricular tachycardia if it's just happening when you're sitting around doing nothing, especially if it starts and stops suddenly. An electrophysiologist can help; in denver, i'd give a call to dr. Will sauer at university of colorado, or laurent leukoweiz at kaiser if you're with their network. They'll get to the bottom of it pretty quickly. Read more...

I have been short of breath at night and my heart rate at rest is 96 at night and I'm a 16 year old male. What does this mean?

Many things. Asthma tends to be worse at night but you will have to be very short of breath to get a heart rate this fast. You need to see your doctor to get a check up which may include evaluation of your lungs, heart, and thyroid status. If you were female, i would be more concerned with anemia. Read more...