PACEMAKER  Natural pacemaker: The heart's "natural" pacemaker is called the sinoatrial (SA) node or sinus node.  Artificial pacemaker: It is a small,…

How the ECG works When cell membranes in the heart depolarize, voltages change and currents flow. Because a human can be regarded as a bag of salt water (with bad attitude),…

ECG TAKING AND INTERPRETATION y The heart is a myogenic muscular organ found in all animals with a circulatory system (including all vertebrates), that is responsible for…

Slide 1Determining The Hearts Electrical Axis Slide 2 Principles To Remember l Principle # 1 : When a positive sensing electrode sees an electrical impulse as coming head…

Slide 1CHAPTER 20 HEART FAILURE AND CIRCULATORY SHOCK Essentials of Pathophysiology Slide 2 PRE LECTURE QUIZ True/False  Decreased cardiac output will lead to an increase…

Slide 1Electrocardiography A recording of the electrical activity of the heart over time Gold standard for diagnosis of cardiac arrhythmias Helps detect electrolyte disturbances…

1.Normal Sinus Rhythm2. Normal Sinus Rhythm• Description– The sinus node is the pacemaker, firing at aregular rate of 60 to 100 times per minute• Conduction– Each…

1. Computed tomography (CT) - a technique that can noninvasively fully evaluate  cardiac structure  function.The basic principle of CT technology is the use of ionizing…

1. By: LOKENDRA YADAV 2.  To recognize the normal rhythm of the heart -“Normal Sinus Rhythm.” To recognize the 13 most common heartarrhythmias. To recognize…

1. Cardio Vascular System Nursing 330 Shirley Comer 2. Pertinent History Chest Pain Edema Known disease Dyspnea Nocturia Family Hx Orthopnea Diet Smoking Cough Obesity Diabetes…