Explain tricuspid regurgitation, Biology

Assignment Help:

Q. Explain Tricuspid regurgitation?

Though tricuspid regurgitation is a common valvular abnormality on echocardiography rarely is it due to primary organic disease.

Secondary or functional tricuspid regurgitation due to pulmonary hypertension of any cause, is much more common than primary tricuspid regurgitation. In these instances tricuspid valve structure is normal except for dilated tricuspid annulus. Right ventricular and right atrial dilatation further exaggerates this abnormality.

Primary causes or organic involvement of tricuspid regurgitation as opposed to its functional involvement are much less common. The common etiologies include rheumatic, traumatic, endocarditis, carcinoid, endomyocardial fibrosis and myxomatous valve prolapse. Rheumatic etiology is often accompanied by involvement of mitral valve. Similarly myxomatous degeneration is associated with mitral valve prolapse. Infective endocarditis is typically seen in drug addicts, but it is more commonly described with septic abortions and contaminated intra venous infusions in India. Endomyocardial fibrosis affecting right ventricular apex as well as mitral valve is confined to certain geographical regions. Tricuspid Regurgitation due to blunt injury chest can have a delayed presentation. Conduction abnormalities are often associated with traumatic tricuspid regurgitation. Ebstein's anomaly, a congenital heart disease is often associated with varying degrees of tricuspid regurgitation. Carcinoid valve disease is rare, and tricuspid valvular involvement is associated with hepatic metastasis only. Pulmonary valve also is often involved in this disease.


Related Discussions:- Explain tricuspid regurgitation

What is the prothallus of pteridophytes, Q. What is the prothallus of pteri...

Q. What is the prothallus of pteridophytes? The gametophyte develops by mitosis from a spore and Prothallus is the pteridophyte gametophyte (the haploid individual that forms g

Pulmonary embolism, Systemic Infection Serious infections increase total...

Systemic Infection Serious infections increase total body metabolism and thus impose hemodynamic burden on the heart. Increased heart rate associated with infections is an addit

Bovine ephemeral fever, Bovine ephemeral fever Ephemeral fever is commonly...

Bovine ephemeral fever Ephemeral fever is commonly known as 'three-day sickness'. It affects mainly cattle and occasionally sheep in India. Causative agent is a mosquito-borne vir

What purpose does sleep serve for the brain, What purpose does sleep serve ...

What purpose does sleep serve for the brain? A. We don't yet know full answer to this fundamental question however neuroscience is providing intriguing clues. It's increasingly

Seed formation, Seed Formation A mature seed has seed coat, an embryo ...

Seed Formation A mature seed has seed coat, an embryo and reserve food material in the endosperm in monocots and in cotyledons in the dicots. Figure shows structure of dicots

What are some fungal diseases transmitted by animal feces, What are some fu...

What are some fungal diseases transmitted by animal feces? Bat and pigeon feces can carry Histoplasma capsulatum, the fungus agent of histoplasmosis. The infection is transmitt

Illustrate ploidies of zygote, Q. What are the respective ploidies of zygot...

Q. What are the respective ploidies of zygote, gamete and somatic cells in a species with gametic meiosis? Adopting as pattern an "x" quantity of chromosomes for gametes, somat

Molecular bio, he recombinant plasmid extracted from the surviving colonies...

he recombinant plasmid extracted from the surviving colonies contains a gene called SUC2 that codes for convertase, an enzyme needed to metabolize sucrose. Mutations in the SNF gen

What is fermentation, What is fermentation? Name any two organic compounds ...

What is fermentation? Name any two organic compounds formed in this process

Organic chemistry and macromolecules, identify 7 speccific ways in which yo...

identify 7 speccific ways in which you can diversify carbon-containing compounds

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd