Download VT 106

VT 106
Lab Objectives – Lab Chapter 10
part 1 – heart
Examine the diagrams and models of the heart, the heart in situ in the dissected cat, and
perform the dissection of the sheep heart. Be able to define and identify (where possible)
the following.
mediastinum
pericardial sac
pericardial cavity
parietal pericardium
visceral pericardium
pericardial fluid
external heart
epicardium (visceral pericardium)
base
apex
coronary sulcus (groove)
coronary vessels / coronary sinus
interventricular sulci (grooves)
right and left ventricle
right and left atrium
right and left auricle
cranial vena cava
caudal vena cava
pulmonary trunk / pulmonary arteries
aorta
pulmonary veins
internal heart
myocardium
endocardium
right atrium
cranial and caudal vena cava
coronary sinus
interatrial septum
fossa ovalis / foramen ovale
right atrioventricular (AV) valve / tricuspid valve
chordae tendineae
right ventricle
trabeculae
papillary muscles
moderator band
pulmonary [semilunar] valve
pulmonary trunk / pulmonary arteries
left atrium
pulmonary veins
left atrioventricular (AV) valve / bicuspid valve / mitral valve
chordae tendineae
left ventricle
trabeculae
papillary muscles
aortic [semilunar] valve
interventricular septum
Know the pattern of blood flow through the heart and how the following terms relate to
cardiac function.
right heart / pulmonary circuit / pulmonary vessels
left heart / systemic circuit / systemic vessels
oxygenated blood
deoxygenated blood
first heart sound
second heart sound
Study the normal ECG pattern on page 232. Be able to define and identify the following.
P wave / atrial depolarization
QRS complex / ventricular depolarization
T wave / ventricular repolarization
P-Q segment / AV node and AV bundle (bundle of His)
normal sinus rhythm
sinoatrial (SA) node / pacemaker
Know how the ECG is related to the cardiac cycle. Be able to define the following and
know when each of the following occurs.
atrial systole
atrial diastole
ventricular systole
vetricular diastole