What is the difference between Pacemaker and Defibrillator? â¢ Pacemakers are medical devices used to manage non-emergency cardiac dysrhythmias. â¢ Defibrillators are used in an emergency, to correct ventricular tachycardia and ventricular fibrillation. Read more: 1. Difference Between Cardiac Arrest and Heart Attack. 2.
It is also the mean arterial pressure that is carefully regulated by short-term and long-term regulatory and compensatory mechanisms. The mean arterial pressure is a time-weighted average of pressure values in large systemic arteries during the cardiac cycle.
Normal blood pressure is defined as a systolic pressure of 130 mm Hg or below and a diastolic pressure of 85 mm Hg or below. High normal is pressures of 131-139 systolic and 86-89 diastolic. Hypertension is defined as a pressure of 140 systolic over 90 diastolic and above.