How to go into indepth about the conductivity of the heart?

http://www.google.com/#sclient=psy-ab&hl=en&source=hp&q=+conductivity+of+the+heart&pbx=1&oq=+conductivity+of+the+heart&aq=f&aqi=g2g-v1g-j1&aql=1&gs_sm=e&gs_upl=4654l4654l0l6163l1l1l0l0l0l0l140l140l0.1l1l0&bav=on.2,or.r_gc.r_pw.&fp=94458c7d4a23e13a&biw=853&bih=544

To go in-depth about the conductivity of the heart, you need to understand the basic principles of how electrical signals are generated and transmitted in cardiac cells. Here are the steps you can follow to explore this topic:

1. Start with the basics: Begin by understanding the structure and function of the heart. Study the different components of the heart, including the chambers (atria and ventricles) and the conducting system (SA node, AV node, Bundle of His, and Purkinje fibers).

2. Learn about cardiac cells: Research the types of cardiac cells, specifically the conducting cells responsible for generating and transmitting electrical signals. These cells include pacemaker cells (found in the sinoatrial node) and contractile cells (found in the atria and ventricles).

3. Study action potentials: An action potential is an electrical signal that causes the contraction of cardiac cells. Learn about the different phases of the action potential in cardiac cells: depolarization, repolarization, and refractoriness. Understand the role of ion channels (sodium, potassium, and calcium) in generating and conducting these electrical signals.

4. Understand the conduction pathway: Investigate how the electrical signals flow through the heart. Begin with the SA node, which acts as the natural pacemaker, generating electrical impulses. Then, explore how the signals pass through the AV node, Bundle of His, and Purkinje fibers, ultimately reaching the atria and ventricles, causing them to contract.

5. Study cardiac arrhythmias: Learn about abnormal heart rhythms, such as bradycardia, tachycardia, and atrial fibrillation. Understand how disruptions in the electrical conduction system can lead to these arrhythmias and their potential consequences.

6. Research diagnostic techniques: Explore the clinical methods used to assess the conductivity of the heart. Electrocardiography (ECG/EKG) is a commonly used non-invasive test that measures the electrical activity of the heart. Dive into the different waves and intervals seen on an EKG to better understand the conduction patterns.

7. Stay updated with current research: Read scientific literature and follow the latest research in the field of cardiac electrophysiology to broaden your knowledge on the topic. This will keep you informed about recent advancements and discoveries in the field.

Remember, going in-depth about the conductivity of the heart requires a solid understanding of anatomy, physiology, and electrophysiology. It is recommended to consult textbooks, academic resources, and medical journals for accurate and detailed information.