Heart as a pump. Heart as a pump. EchocardiographyEchocardiography
Cardiac cycleCardiac cycle
Systole Systole of of
atriumatrium
Systole of ventriclesSystole of ventricles
Діастолапередсердь
Діастола шлуночків
Cardiac cycleCardiac cycle Systole Systole
1. period of tension1. period of tension asynchrony contractionasynchrony contraction isometric contractionisometric contraction (all valves are closed) (all valves are closed) 2. period of ejection2. period of ejection protosphigmic interval protosphigmic interval
(opening of semilunear valves)(opening of semilunear valves) fast ejectionfast ejection slow ejectionslow ejection
SystoleSystole of of ventriclesventricles
1. period of tension1. period of tensionphases of phases of
asynchrony asynchrony contractioncontractionisometric isometric
contractioncontraction (all valves are (all valves are
closedclosed) )
SystoleSystole of ventriclesof ventricles
2. period of ejection2. period of ejection
protosphigmic interval protosphigmic interval (opening of semilunear (opening of semilunear
valvesvalvesfast ejectionfast ejection
slow ejection slow ejection
Cardiac cycle Cardiac cycle DiastoleDiastole
1. Period of relaxation1. Period of relaxation protodiastolic interval (closing of protodiastolic interval (closing of
semilunear valves)semilunear valves) phase of isometric relaxation phase of isometric relaxation
(opening of AV-valves is end of this phase)(opening of AV-valves is end of this phase) 2. Period of filling2. Period of filling phase of rapid fillingphase of rapid filling phase of slow fillingphase of slow filling phase of filling by help of atrium phase of filling by help of atrium
systole systole
DiastoleDiastole of of ventriclesventricles
PPeriod of eriod of relaxationrelaxation
protodiastolic interval protodiastolic interval (closing of semilunear (closing of semilunear
valves)valves) phase of phase of
isometric relaxation isometric relaxation (opening of AV-valves (opening of AV-valves is end of this phase)is end of this phase)
DiastoleDiastole of of ventriclesventricles
Period of fillingPeriod of filling phase of rapid phase of rapid
fillingfilling phase of slow phase of slow
fillingfilling
DiastoleDiastole of of ventriclesventricles
Period of fillingPeriod of filling by help of by help of
atrium systoleatrium systole
Heart sounds. ComponentsHeart sounds. Components I tone.I tone. 1. 1. Valve component (AV Valve component (AV
valves)valves). . 2. 2. Muscle componentMuscle component.. 3. 3. Vessels componentVessels component
(opening of semilunear valves)(opening of semilunear valves) 4. Atrium component4. Atrium component.. II tone. 1. II tone. 1. Valve componentValve component
(closing of semilunear valves)(closing of semilunear valves) 2. 2. Vessels componentVessels component..
Heart soundsHeart sounds
EchocardiographyEchocardiography
1. M-measure1. M-measure 2. D-measure2. D-measure 3. Doppler3. Doppler 4. Contrasting4. Contrasting
II positionII position
АО
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