heart valves
Blood flow gates
Heart valves are the flap-like structures that control blood flow through the heart's chambers, opening and closing with each heartbeat to ensure blood moves in one direction.
The four valves—mitral, tricuspid, aortic, and pulmonary—can malfunction through narrowing (stenosis) or leaking (regurgitation): She needed surgery to repair a damaged heart valve.
Of a heart valve
- tricuspidHaving three projections
- pulmonaryOf the lungs
- aorticOf the main artery
- bicuspidDouble-cusped grinding tooth
semilunar · leaflet · annulus · chordae tendineae · cusps · orifice · commissure · atrioventricular
Abnormal bodily narrowing
- regurgitationEjecting swallowed material
- prolapseOrgan slipping from place
- endocarditisInflamed inner heart lining
- murmurSoft, indistinct continuous sound
congenital defect · rheumatic · calcification · degeneration · insufficiency · leakage · vegetations · rupture
Movement through vessels
- systoleHeart muscle contraction phase
- diastoleCardiac relaxation phase
- openingGap or start
- closingFinal stage of something
perfusion · oxygenation · unidirectional · cardiac output · pressure gradient
Ultrasound of the heart
- auscultationMedical listening examination
- cardiologistPhysician treating cardiovascular conditions
- DopplerMotion-caused frequency change
- transesophagealThrough the food pipe
murmur · stress test · ECG · angiography · MRI · CT scan
What takes another's place
- repairRestore to working order
- prosthesisManufactured replacement body part
- transcatheterDone via inserted tube
- homograftTransplant between same species
xenograft · pericardial · suture · implantation · anticoagulation · warfarin · minimally invasive
mitral
Of a heart valve
bicuspid · semilunar · leaflet · annulus · chordae tendineae · cusps · orifice · commissure · atrioventricular · septum
stenosis
Abnormal bodily narrowing
- regurgitationEjecting swallowed material
- prolapseOrgan slipping from place
- endocarditisInflamed inner heart lining
murmur · congenital defect · rheumatic · calcification · degeneration · insufficiency · leakage · vegetations · rupture · fibrosis
blood flow
Movement through vessels
closing · perfusion · oxygenation · unidirectional · cardiac output · pressure gradient
echocardiogram
Ultrasound of the heart
- auscultationMedical listening examination
- cardiologistPhysician treating cardiovascular conditions
- DopplerMotion-caused frequency change
transesophageal · murmur · stress test · ECG · angiography · MRI · CT scan
replacement
What takes another's place
- repairRestore to working order
- prosthesisManufactured replacement body part
- transcatheterDone via inserted tube
homograft · xenograft · pericardial · suture · implantation · anticoagulation · warfarin · minimally invasive
- Circulatory Systemblood, artery, veins, capillary, arteries
- cardiologyheartbeat, cardiologist, arrhythmia, cardiac, cardiology
- Heart Developmentendocardium, myocardium, atria, ventricles
- anatomybrain, bones, liver, stomach, kidney
- heartheartbeat, cardiac, ventricles, aorta, atria
- heart healthcardiologist, HDL, EKG, LDL, echocardiogram
heart valvesheart muscle
Tissue powering circulation
myocardium · cardiac muscle · pericardium · heart chambers · atria
heart valvesblood vessels
Tubes carrying circulating fluid
arteries · veins · aorta · vena cava · coronary arteries