The heart is primarily made up of cardiac myocytes but there exists a small population of cells called cardiac pacemaker cells. These cells display autorhythmicity by continuously spontaneously deplarizing which sets the rate of the heart. Answer and Explanation: The ...
Fill in the blanks: The shape of the P wave on an ECG is usually ___ and ___. A 66-year-old patient's echocardiogram reveals a hypertrophied left ventricle, normal chamber volume, and a normal ejection fraction from the heart. What is this patient's...