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45 Cards in this Set
- Front
- Back
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2 layers of pericardium
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1. Fibrous - outer 2. Serous - inner |
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2 layers within the serous pericardium
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1. Parietal - lines fibrous pericardium 2. Visceral - lines heart |
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Normal fluid in pericardial space
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20ml / 20cc - Edleman's states 40 ml |
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Heart wall layers
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1. Epicardium / Visceral 2. Myocardium 3. Endocardium |
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Epicardium covers
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Heart & Great Vessels
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Myocardium is made of
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myofibrils
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Endocardium covers
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heart walls, valves, chordae tendinae & papillary muscles
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Most posterior chamber of the heart
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LA
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Most anterior chamber of the heart
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RA
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Structures within the RA
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1. Chiari network 2. Eustachian valve (fetus) 3. Coronary sinus |
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3 vessels dump into the RA
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1. SVC - drains upper body; enters superior 2. IVC - drains abd & lower body; enters inferior 3. Coronary sinus - drains myocardium; enters posterior |
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Normal RA pressure
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0-8 mmHg
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RV walls ridged by
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trabeculae carnae
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How many papillary muscles in the RV
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No definite amount
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Moderator band info
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- extends from inferior RV to anterior septum - electrical conduction here - RV landmark |
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Normal RV pressure
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0-8 mmHg (diastole) 16-30 mmHg (systole) |
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RVIT consists of
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1. Valve annulus 2. Papillary muscles 3. Chordae tendinae |
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RVIT begins & ends where
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Begins at TV & extends into RV
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RVOT aka :
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Infundibulum
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RVOT extends from...
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RV to PA, ending at PV
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How many Pulmonary Veins drain into LA
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4 |
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Normal LA pressure
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0-12 mmHg
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Why is LV thicker than RV
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2x's thicker due to increased pressure |
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2 papillary muscles in the LV
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1. Anteriorlateral 2. Posteriormedial / Inferoposterior |
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Normal LV pressure
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3-12 mmHg (diastole) 100-140 mmHg (systole) |
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LVIT begins & ends
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Begins at MV & extends into LV
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LVIT consists of
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1. Valve annulus 2. Papillary muscles 3. Chordae tendinae |
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LVOT extends from
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LV to Aorta, stopping at AoV
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LVOT consists of
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1. IVS 2. AMVL 3. LV freewall |
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2 Atrioventricular Valves
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1. Mitral Valve 2. Tricuspid Valve |
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2 Semilunar Valves
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1. Pulmonic Valve 2. Aortic Valve |
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Atrioventricular valves consist of
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1. Annulus 2. Leaflets 3. Chordae Tendinae 4. Papillary Muscles |
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When Atrioventricular valves are open, ventricle is in
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Diastole
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3 leaflets of the tricuspid valve
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1.Anterior 2. Posterior 3. Septal / Medial |
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Tricuspid valve has _________ papillary muscles
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MANY |
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Mitral valve leaflets
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1. Anterior 2. Posterior |
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Mitral Valve has _______ papillary muscles
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2! |
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Mitral Valve papillary muscles
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1. Anteriorlateral 2. Posteriormedial / Inferoposterior |
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Semilunar valves are open during
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SYSTOLE |
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3 cusps of the Pulmonic valve
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1. Anterior 2. Right (posterior in PSAX) 3. Left |
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3 cusps of the Aortic Valve
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1. Right 2. Left 3. Non-coronary |
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Sinus of Valsalva is located :
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Above the AoV cusps
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Pulmonary Artery
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1. Courses superiorly 2. Bifurcates into Right & Left at underside of Aortic Arch |
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Sinotubular Junction
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1. Junction at the aortic sinus & ascending aorta 2. Dilatation of the STJ may affect valve function / AR |
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