what will happen if the right side of the heart became large? more than 1/3
you would think that the right ventricle could be enlarged
how much of the heart is on the left side
the heart has what kind of axis?
usually anterior and downward, oblique
the electrical axis of the heart is how much?
artria and verntricals are separated by what?
atrioventricular groove ( sulcus)
what separates the left and right ventricle
the inter ventricular groove
what is inside the interventicular groove?
what is the shape of the heart
how many borders are in the heart
what is the apex formed by
the inferolateral part of the left ventricle
where is the apex located
posterior to the 5th intercostal space in ADULTS
when listening to apex you can hear?
if you put your finger on the 5th intercostal space you can feel a heart beat why
because that is where the apex is beating
where is the base of the heart
the left atrium
the base of the heart faces what?
posteriorly to the body of T6-T9
what is the base of the heart separated from
where is hard to access on the heart
the base of heart
what s located superiorly to the bifurcation of the pulmonary trunk
the base of the heart
what is the VENOUS portion of the heart
the base of the hear
what are the four surfaces of the heart
anterior surface inferiror surface(diaphragmatic) right surface left surface
anterior surface of the heart is mainly formed by what
the right ventricle
inferior surface of the heart is mainly made of
left and right ventricle
what forms the right surface of the heart
the right atrium
left surface of the heart is formed by?
knowing what surface of the heart you are placing an electrode helps what?
where in the heart you are getting electrical impulse
there are four borders of the heart what are they
right inferior left border
the right border of the heart is formed by what
the inferior border is formed by?
left border is formed by?
superior border is formed by?
right and left atria
where is transverse pericardial sinus located
behind the superior border of the chest
what is dextrocardia
when the heart is on the right side of the body because of abnormal folding of the embryonic heart
dextrocardia may be associated with what
problems of the lungs and problems of the vessels attached to the heart
what is a mirror image positioning of the great vessels and the arch of the aorta?
if heart is on the right side is this a problem
this is fine usually, unless the other organs are also located on the opposite side
situs inversus is what?
when the organs are on the opposite side of the body
this is when a patient has inverted internal organs and the cilia of the bronchi is not working properly, resulting in patient suffering for inflammation in bronchi and frequent pneumonia. Stomach can be on the right side instead of the left.
everything is on the right side of the body except for the heart
is isolated dextcardia able to be fixed
yes you cut and reattach the parts to the correct origin locations
the right atrium has blood coming from where
superior and interior vena cava and the CORONARY SINUS
the opening of the coronary sinus is where
in the right atrium
he posterior wall of the atrium is formed by?
walls of the superior and inferior vena cava
the posterior wall of the right atrium is smooth why
because the walls of the superior and inferior vena cava are smooth
anterior wall of the right atrium is formed by what
the pectinate muscles
pectinate muscle is what texture
rough, making the anterior wall of the right atrium rough
smooth and rough portions of the atrial wall are separated by what?
the crista terminals which is an internal vertical ridge
what is the oval, thumbprint size depression that separates the intertribal septum
the fossa ovalis
forman oval should be what?
closed, but it isn't always
what is in the right atrium?
can you find an SA node on the right atrium of the heart?
what is the back up node to the SA node
the Atroventicualr node
where is the AV node
between right atria and right ventrical
where is the bundle of his
in the middle of the right and left ventricle