Characteristics:Diastolic period is longer than systolic periodWhole diastole has 0.4 s -→ enough time for theheart to relax and accept blood Heart rate mainly influences diastolic period Heart diastole always means ventricular diastoleHeartratecardiac cycleVentricularsystoleVenriculardiastoler0.6"90.70,8O°,3°4一1401.51.150.350.500.30750.80.250.150.4150
Characteristics: ① Diastolic period is longer than systolic period ② Whole diastole has 0.4 s → enough time for the heart to relax and accept blood ③ Heart rate mainly influences diastolic period ④ Heart diastole always means ventricular diastole Heart rate cardiac cycle Ventricular systole Venricular diastole 40 1.5 0.35 1.15 75 0.8 150 0.4 0.30 0.50 0.25 0.15
Heart RateDef., Heart rate refers to the speed of the heartbeat.specifically the number of heartbeats per unit of timeBeats per minute (bpm)Variation:According to the body's physical needs: absorb oxygenand excrete carbon dioxideActivities that can provoke change include physical exercise,sleep, illness, ingesting, and drugs.Age, newborn, old peopleSexuality, female and maleHealth condition, weak and strong
Def., Heart rate refers to the speed of the heartbeat, specifically the number of heartbeats per unit of time. Beats per minute (bpm). Heart Rate Health condition, weak and strong Variation: According to the body's physical needs: absorb oxygen and excrete carbon dioxide. Activities that can provoke change include physical exercise, sleep, illness, ingesting, and drugs. Age, newborn, old people Sexuality, female and male
HeartRateNormal human heart rate ranges from 60-100 bpmBradycardia, below 60 bpmTachycardia, above 100 bpmArrhythmia, the heart rateHeartis not regular in a regularArrhythmiapattern. These abnormalitiesof heart rate sometimesindicate disease
Bradycardia, below 60 bpm. Tachycardia, above 100 bpm. Heart Rate Normal human heart rate ranges from 60–100 bpm. Arrhythmia, the heart rate is not regular in a regular pattern. These abnormalities of heart rate sometimes indicate disease
Heart Pump Process心宝舒聚期Stroke volieachventbeatinthe宝收维期文房收基心动周期
Heart Pump Process
Internal Anatomy - AnteriorCepysdhteAortaRight pulmonaryLeftpulmonaryarteryarteryPulmonary trunkSuperiorvena cavaRight pulmonaryLeft pulmonary veinsveinsPulmonaryvalveInteratrial-septumLeftatriumRight atriumAorticvalveFossaovalisLeftAV (bicuspid)valvePectinate musclesLeft ventricleRightAV-(tricuspid) valvePapillarymuscleInterventricular septumTendinous cordsEndocardiumTrabeculae cameaeMyocardiumRight ventricleEpicardiumInferior vena cava-
Internal Anatomy - Anterior