papillary muscle

When the ventricles begin to contract, so do the papillary muscles in each ventricle.

This makes the posteromedial papillary muscle significantly more susceptible to ischemia.

Papillary muscles are fingerlike projections from the wall of the left ventricle.

Rupture of a papillary muscle will cause acute mitral regurgitation.

The papillary muscles can be enlarged or atrophied.

Blood supply of the papillary muscles.

There are five total papillary muscles in the heart, three in the right ventricle and two in the left.

Together, the papillary muscles and the chordae tendineae are known as the subvalvular apparatus.

The normal tricuspid valve usually has three leaflets and three papillary muscles.

The chordae tendineae are attached to papillary muscles that cause tension to better hold the valve.

They are connected to the papillary muscles by the chordae tendineae, which lie in the right ventricle.

U waves are thought to represent repolarization of the papillary muscles or Purkinje fibers.

The mitral valve is anchored to the heart muscle by small muscles called the papillary muscles.

On the other hand, the posteromedial papillary muscle is usually supplied only by the PDA.

In anatomy, the papillary muscles are muscles located in the ventricles of the heart.

This may occur in the free walls of the ventricles, the septum between them, the papillary muscles, or less commonly the atria.

If the papillary muscles are not functioning properly, the mitral valve may leak during contraction of the left ventricle.

Papillary muscle rupture or dysfunction, including mitral valve prolapse, are also common causes in acute cases.

The left posterior fascicle transmits impulses to the papillary muscles, leading to mitral valve closure.

Autopsy revealed localized fibrosis of the left papillary muscles, but no evidence of coronary atherosclerosis.

Prognosis is significantly worsened if a mechanical complication such as papillary muscle or myocardial free wall rupture occurs.

It is also called functional mitral regurgitation, because the papillary muscles, chordae, and valve leaflets are usually normal.

The inelastic chordae tendineae are attached at one end to the papillary muscles and the other to the valve cusps.

The papillary muscles of both the right and the left ventricles begin to contract shortly before ventricular systole and maintain tension throughout.

The LCX supplies the posterolateral left ventricle and the anterolateral papillary muscle.