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6
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Terms in this set (147)
Right side of the heart pumps to... Lungs
Left side of heart pumps... simutaneously to body
Septum wall that separates two pumps
atrioventricular valves separate atria and ventricles
heard at apex, located at bottom of heart: 5th rib intercostal space
Apical pulse is also called Mitral area/PM/Apex
Right AV valve = tricuspid valve, 5th intercostal space at left sternal border
, Left AV valve = Mitral valve, 5th intercostal space at left midclavicular line
Semilunar (SL) valves between ventricles and arteries
3 cusps that look like half moons
heard at BASE, located at TOP of heart
pulmonic valve located on right side of heart, 2nd L intercostal space
aortic valve located on left side of heart, 2nd R intercostal space
Diastole phase ventricles relax, heart fills with blood
2/3 of cycle
AV valves (tricuspid and mitral) are OPEN
pressure in atria is higher than in ventricles.
1st filling phase is called early or protodiastolic filling.
2nd filling is called presystole or atrial systole
Systole phase blood pumped from ventricles and fills pulmonary and systemic arteries
1/3 of cardiac cycle
ventricular pressure is now HIGHER than that of atria, causing atria to close. After
blood ejection, pressure falls in ventricles. When pressure falls below pressure in
aorta, some blood flows backward towards ventricle, causing aortic valve to shut.
S1 or Lub closer of AV valve
S2 or Dub closure of semilunar valve
S3 heart sound ↑ventricular filling pressure (e.g., mitral regurgitation, HF), common in dilated
ventricles. VIBRATIONS heard over chest. A gallop.
Occurs immediately after S2 (LUB DUB DUB). May be early sign of heart failure.
S4 heart sound occurs at end of Diastole, at presystole. HEARD BEST AT APEX w/ pt turned to
LEFT LATERAL so heart is closer to chest wall. VIBRATION is very soft and low
pitch. Occurs jsut before S1 (DUB LUB DUB)
murmur abnormal swishing sound caused by improper closure of the heart valves. turbulent
blood flow.
Automaticity contracts by itself, independent of any signals or stimulation from body.
SA node "pacemaker" of heart
P wave atrial depolarization
PR interval beginning of P wave to beginning of QRS complex
QRS complex depolarization of the ventricles
T wave repolarization of ventricles
Cardiac Output (CO) Amount of blood pumped in 1 minute (4-6 L)
CO=SV x R
carotid artery located in groove b/w trachea and sternomastoid muscle. palpate only 1 at a time.
N
S
G
3
1
6
0-
E
x
a
m
3
Students
also
studied
Terms in this set (147)
Right side of the heart pumps to... Lungs
Left side of heart pumps... simutaneously to body
Septum wall that separates two pumps
atrioventricular valves separate atria and ventricles
heard at apex, located at bottom of heart: 5th rib intercostal space
Apical pulse is also called Mitral area/PM/Apex
Right AV valve = tricuspid valve, 5th intercostal space at left sternal border
, Left AV valve = Mitral valve, 5th intercostal space at left midclavicular line
Semilunar (SL) valves between ventricles and arteries
3 cusps that look like half moons
heard at BASE, located at TOP of heart
pulmonic valve located on right side of heart, 2nd L intercostal space
aortic valve located on left side of heart, 2nd R intercostal space
Diastole phase ventricles relax, heart fills with blood
2/3 of cycle
AV valves (tricuspid and mitral) are OPEN
pressure in atria is higher than in ventricles.
1st filling phase is called early or protodiastolic filling.
2nd filling is called presystole or atrial systole
Systole phase blood pumped from ventricles and fills pulmonary and systemic arteries
1/3 of cardiac cycle
ventricular pressure is now HIGHER than that of atria, causing atria to close. After
blood ejection, pressure falls in ventricles. When pressure falls below pressure in
aorta, some blood flows backward towards ventricle, causing aortic valve to shut.
S1 or Lub closer of AV valve
S2 or Dub closure of semilunar valve
S3 heart sound ↑ventricular filling pressure (e.g., mitral regurgitation, HF), common in dilated
ventricles. VIBRATIONS heard over chest. A gallop.
Occurs immediately after S2 (LUB DUB DUB). May be early sign of heart failure.
S4 heart sound occurs at end of Diastole, at presystole. HEARD BEST AT APEX w/ pt turned to
LEFT LATERAL so heart is closer to chest wall. VIBRATION is very soft and low
pitch. Occurs jsut before S1 (DUB LUB DUB)
murmur abnormal swishing sound caused by improper closure of the heart valves. turbulent
blood flow.
Automaticity contracts by itself, independent of any signals or stimulation from body.
SA node "pacemaker" of heart
P wave atrial depolarization
PR interval beginning of P wave to beginning of QRS complex
QRS complex depolarization of the ventricles
T wave repolarization of ventricles
Cardiac Output (CO) Amount of blood pumped in 1 minute (4-6 L)
CO=SV x R
carotid artery located in groove b/w trachea and sternomastoid muscle. palpate only 1 at a time.
