Anatom3DPosterior leaflet of tricuspid valve
Cuspis posterior valvae tricuspidalis · Zadní cíp trojcípé chlopně
Heart & arteries
Looks like
The lower back flap of the tricuspid valve, tied to muscle below by thin cords.
What it does
Seals the valve together with the other two leaflets during each beat.
Keeping it well
Can be damaged by infection (in people who inject drugs) or by pacemaker leads crossing the valve.
Related conditions
- 22q11.2 deletion syndrome (DiGeorge)
- Aortic stenosis
- Atrial flutter
- Cardiomyopathy (dilated, restrictive, arrhythmogenic)
- Chagas disease
- Congenital heart defects
- Coronary artery disease
- Diphtheria
- Down syndrome (trisomy 21)
- Eating disorders
- Extra heartbeats (ectopics and palpitations)
- Fainting (syncope)
- Friedreich's ataxia
- Heart failure
- High blood pressure
- High cholesterol
- Hypertrophic cardiomyopathy
- Hypothermia & frostbite
- Infective endocarditis
- Kawasaki disease
- Long QT syndrome
- Metabolic syndrome
- Myocarditis
- Orthostatic hypotension & POTS
- Panic disorder
- Pericardial effusion & tamponade
- Pericarditis
- Peripheral artery disease
- Phaeochromocytoma & hyperaldosteronism
- Pre-eclampsia
- Raynaud's phenomenon
- Rheumatic fever & rheumatic heart disease
- Sepsis
- Shock (circulatory failure)
- Sudden cardiac arrest
- Sudden infant death syndrome
- Supraventricular tachycardia
- Takotsubo (stress) cardiomyopathy
- Tuberous sclerosis complex
- Valve disease (stenosis & regurgitation)
- Vasculitis (GCA & others)
- Wolff–Parkinson–White syndrome