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What is left branch bundle block and what is the treatment for it?
Left bundle branch block is a delay or blockage in the electrical impulse conduction through the left bundle branch of the heart. Treatment for left bundle branch block depends on the underlying cause, such as heart disease or high blood pressure. It may include managing risk factors, such as controlling blood pressure, addressing heart disease, or considering a pacemaker in some cases.
Which structure of the conduction system was formerly called the bundle of His?
The structure of the conduction system formerly known as the bundle of His is now referred to as the atrioventricular (AV) bundle. It is responsible for conducting electrical impulses from the atria to the ventricles of the heart. The AV bundle splits into right and left bundle branches that extend into the ventricles, facilitating coordinated contraction.
What is the most important structure of the human heart?
It is supposed to be the sinus node and the conducting tissue. It includes the AV node and bundle of HIS. The sinus node generate the impulse in the heart for contraction. The AV node and bundle of HIS transmits the impulse to the ventricles.
What does a complete left bundle branch block mean?
A complete left bundle branch block (LBBB) occurs when there is a blockage in the electrical pathway (bundle branch) that carries signals to the left side of the heart. This can cause a delay in the electrical signals reaching the left ventricle, leading to changes in the appearance of the ECG waveforms. It may indicate an underlying heart condition and should be evaluated by a healthcare provider.
What are the Fibers of ventricular bundle?
The fibers of the ventricular bundle, also known as the bundle of His, are specialized cardiac muscle fibers that conduct electrical impulses from the atrioventricular (AV) node to the Purkinje fibers in the ventricles. These fibers play a critical role in coordinating the contraction of the ventricles during the cardiac cycle, ensuring effective pumping of blood out of the heart.
How many bundle branches does the heart have?
There are two bundle branches, right and left.
Is the atrioventricular bundle located closest o the centre of the heart?
the av bundle (aka Bundle of His (pronounced like 'hiss'))
What is a BBB in the heart?
This si known as a Bundle Branch Block - and refers to an anomaly of a blockage in the nerve system of the heart at the bundle branches.
What structures transmit the heart impulse from the av node to the ventricle?
Bundle of Hisatrioventicular bundle (bundle of his), right and left bundle bramches and the purkinge conducition fibers
What is the function of the bundle of HIS?
The bundle of HIS is responsible for conducting electrical signals from the atria to the ventricles in the heart. This pathway allows for coordinated contraction of the heart chambers, ensuring efficient blood pumping.
Where in the heart is the bundle of his found?
interventricular septum
what is located close to the heart?
atrioventricular bundle
What is closest to the center of the heart?
atrioventricular bundleatrioventricular bundle
What are the structures involved in the conduction system of the heart?
Internal pacemaker , sinoatrial(sa) node, atrioventricular (av) node , atrioventricular bundle (bundle of his ) and purkinje fibres.
What group of heart problems does the bundle branch block belong to?
Bundle branch block belongs to a group of heart problems called intraventricular conduction defects (IVCD).
Where do nerve impulses travel from to enter the bundle branches?
Nerve impulses come through the sinus node of the heart to the bundle of His and then move into the right and left bundle branches.
What is another name for atrioventricular bundle?
The Atrioventricular Bundle is also known as the Bundle of His. This conducts impulses and divides in ventrical to form fibers of Purkinge .
