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.
Sinus tachycardia is the most common regular SVT. It has an accelerated sinus rate that is a physiologic response to a stressor. It is characterized by a heart rate faster than 100 beats per minute (bpm) and generally involves a regular rhythm with p waves before all QRS complexes.