Electrical conduction system of the heart

wave, any abnormalities and how every waveform and parts of the body rely on one another to work properly. There are five waveforms: P wave, Q wave, R wave, S wave and T wave. The P wave is the SA node and it is the main starter of the electrical conduction of the heart. This wave is the first thing that is seen on the ECG sheet and shows the atrial depolarization. The Q wave is the downward deflection following the P wave and sometimes it can be seen other times it cannot.…

-Your heart beat works from the electrical impulses that travel down pathways through your heart. The normal sinus rhythm is initiated by the SA node also known as the sinoatrial node. It is also known as the hearts natural pacemaker due to the fact it beat 100 bpm. The electrical activity then spreads through the wall of the atria and as a result causes them to contract before it reaches the AV node. From there the AV node conducts electrical impulses from the atria to the ventricles while…

Conduction System of the Heart What makes the heart beat? Your heart continues beating every moment of the day and night, even without you being aware of it. It may change its rate and rhythm for a few moments when you exercise or when you are excited, but it soon goes back to its regular pace without your conscious control. The cycle of contraction and relaxation of the heart muscle is generated by electrical impulses that are controlled by the conduction system of the heart, which may be…

The human heart contains a specialized conduction system through which it can create and transmit electrical impulses without any external neural input. The main components of the conduction system of the heart include the SA node, AV node, Bundle of His and the Purkinje fibers. The sinoatrial node (also known as SA node) is a natural pacemaker and is responsible for depolarization of the right and left atrium. This produces a P wave on the EKG reading which is normally 0.1 second and its normal…

During one year, the heart initiates approximately 32 million heartbeats to pump blood around the body, beating a total of 60-80 times per minute at a normal pace. It is a highly efficient organ and constantly works to keep our blood circulation going and ourselves alive. The high efficiency of the heart pumping system originates in a conductive system, which is linked to the Sinoatrial (S-A) and Atrioventricular (A-V) node. The Sinoatrial node, also known as the natural cardiac pacemaker, is…

3. Explain the heart generates and conducts an electrical current. Page 388 The heart has its own built-in conduction system for generating action potentials spontaneously and coordinating contractions during the cardiac cycle. All the cardiac muscle fibers in each region of the heart are electrically linked together. The intercalated disks are connections that electrically join the muscle fibers of the heart into a single unit that can conduct electrical impulses through the entire wall of…

Que: 1 Describes the components and conduction pathway of the cardiac conduction system of the heart.relate the cardiac condution system to the corresponding sequence of heart chamber contractions. The cardiac conduction system refers to a group of specialized muscle cells of the heart’s wall (Assadi, 2013). The cells are meant to send signals to the cardiac muscles thus contraction. The major components of the cardiac conduction system are the Atrioventricular node, sinuatrial node, the bundle…

Cardiac Arrhythmia is an anomaly in the Heart which can be diagnosed with the help of Electrocardiogram (ECG) signal. ECG signal is a diagrammatic representation of the cardiac signal, which is most important biomedical signal, taken for the feature extraction. Since it is very difficult to analyse the ECG signal due to the size, noise and changes in the signal, automatic system for ECG signal processing is essential. For this, ECG signal is processed using wavelets based signal processing,…

and left ventricle. This happen is due to inefficient cycle of blood resulting in abnormal heart sound or heart murmur. Mitral valve of the left side is misshape and less flexible. Mitral valve has a leakage and allows blood to backflow into the atrium when ventricle contracted. This condition can be the result of valvular insufficiency. This occurs when one of the heart valve leaks because the cusps do not close tightly enough. It can caused by inflammation in the heart…

associated with heart failure and inflammation, although the role of dystrphin in the heart is not understood as well as its role in the skeletal muscles. It has…