Introduction to Climate change. Many people make Climate Change and Global Warming a scary and difficult thing to understand, but itâs not.Scientists have warned that the world's climate has changed a lot, and has affected many living and non-living things.ntroduction to Climate change. Many people make Climate Change and Global Warming a scary and difficult thing to understand, but itâs not.
Atrial or Supraventricular Tachycardia (SVT) Atrial or Supraventricular tachycardia (SVT) is a fast heart rate that starts in the upper chambers of the heart. Some forms are called paroxysmal atrial tachycardia (PAT) or paroxysmal supraventricular tachycardia (PSVT). How it happens.
Paroxysmal supraventricular tachycardia (PSVT) Paroxysmal supraventricular tachycardia (PSVT) is episodes of rapid heart rate that start in a part of the heart above the ventricles. Paroxysmal means from time to time. Normally, the chambers of the heart (atria and ventricles) contract in a coordinated manner.