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Well here is the vid everyone. I got it on youtube.

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The heart contains two atria and two ventricles. These are the chambers of the heart. Blood enters the heart though the right atrium from the Superior and Inferior Vena Cava from the rest of the body. The atrium pumps the blood into the Right Ventricle through what is known as the Tricuspid Valve. This valve is engineered in way to prevent backflow. The Right Ventricle in turn propels the blood through the Pulmonary Artery to the lungs where the C02 enriched blood is exchanged for oxygen. The blood comes back through the Pulmonary Vein into the Left Atrium. The Left Atrium then pumps blood through another valve known as the Mitral or Bicuspid Valve into the Left Ventricle, the strongest chamber in the heart. The Left Ventricle is responsible for supplying the force to propel the blood through the aorta and to the different parts of the body. If there is backflow present in the valves the patient most likely suffers from Mitral Valve Prolapse, causing audible heart murmurs during auscultation.
Image from Gray’s Anatomy

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Hello once again. I want to start talking about ICDs as they are a very important device for people with Heart Failure. If you have symptoms of the CHF, you probably have one installed already. An ICD is a small battery powered electrical impulse generator which is implanted in patients who are at risk of sudden cardiac death or ventricular/atrial fibrillation. This device can be independently programmed to meet the specifications of the person it is being installed on. Just as a pacemaker keeps the heart in a correct beating pattern, an ICD shocks the heart if there are any fatal arrhythmias. The process of inserting an ICD is also very similar to the installation of a pacemaker. There is an electrode wire, which passes through the superior vena-cava and into the right chambers of the heart. Normally the wire is lodged into the apex of the right ventricle. This is one little handy device. Here is a little video showing the device in action.

The term “Heart Failure” may be misleading. CHF does not mean that the heart just stops working. This should not be confused with Asystole[1], which can cause hemodynamic collapse eventually leading to death. Heart Failure is a condition in which the heart is unable to properly pump blood to the rest of the body. This condition may be caused by a various number of reasons discussed later in this report. The body depends on having oxygen dispersed to all cells for nourishment. When a patient develops CHF, he or she does not get all the oxygen rich blood to all places in the body. This is because there is not enough dynamic pressure in the blood vessels as a result of the problematic chambers in the heart. This leads to reports of feeling short of breath or becoming easily fatigued. Normal everyday activities may become very difficult for someone with Heart Failure to handle.
(Part of a Research Report I am writing)

[1] Also known as Cardiac Arrest.

A cool little animation of Heart Failure from Youtube.

The classification of CHF is not limited to only one. Heart Failure can occur in specific regions of the heart such as “Left Heart Failure” in contrast to “Right Heart Failure.” A patient can also develop systolic[1] CHF as opposed to diastolic[2] CHF. Lastly, Heart Failure can be diagnosed with the degree of impairment on an I-IV[3] scale as follows:

I. Patient does not experience symptoms.

II. Patient experiences moderate symptoms with a slight limitation when performing normal everyday activities.

III. Patient is only comfortable at rest and experiences marked symptoms.

IV. Patient experiences symptoms at rest and struggles performing small activities.

[1] Occuring during the contraction phase.
[2] Occuring during the relaxation phase.
[3] New York Heart Association (NYHA) Functional Classification