Valvular heart diseases and its causes, Biology

Assignment Help:

Valvular Heart Diseases

Normal heart valves function to maintain a uni-directional flow of blood through cardiac chambers. Two basic problems that compromise the normal function of the valves are stenosis and insufficiency. Stenosis is a thickening of valvular tissue. causing a narrowing of the valvular opening. Insufficiency refers to the inability of the valve to close completely, allowing blood to regurgitate.

Causes

Predominant causative factor is rheumatic fever.


Related Discussions:- Valvular heart diseases and its causes

Explain about the smoking - methods of food processing, Explain about the S...

Explain about the Smoking - methods of food processing? Smoking was known as a method of food preservation at an early date. Foods are exposed to smokes by burning some special

Is the esophagus a muscular organ, Q. Is the esophagus a muscular organ? Wh...

Q. Is the esophagus a muscular organ? Why even in a patient lying totally flat on a hospital bed can the swallowed food reach the stomach? The esophagus is a predominantly musc

Introduction to cleavage, INTRODUCTIO N - Karl Von Baer - Coined th...

INTRODUCTIO N - Karl Von Baer - Coined the term cleavage. Swammerdom - First time seen cleavage. Prevost and Dumas - Reported cleavage of frog's egg. Spllanzani - Detail

What is primary growth in shoot, What is Primary Growth in Shoot? The ...

What is Primary Growth in Shoot? The growth in height of a plant stem results from the division of cells at the apex, or tip of the stem, called the shoot tip. Here, a group o

What do you mean by osteichthyes and condrichthyes, Q. From which features ...

Q. From which features do osteichthyes and condrichthyes get these names? "Chondros" means cartilage, "ictis" means fish (both from the Greek) the name chondrichtians is for fi

Mouth examination of new born, Mouth Inspect and palpate the lips, ...

Mouth Inspect and palpate the lips, gums, tongue, palate and oropharynx. Rule out cleft lip and palate, size of chin if small and receding it  shows micrognathia ind

she kept forgetting her appointment with the dentist, Listed below are exa...

Listed below are examples of behaviors that typify a defense mechanism at work. For each example choose the correct defense mechanism and explain the reason for your choice. 1. J

Class of subphylum uniramia - insecta, Class of Subphylum Uniramia - Insect...

Class of Subphylum Uniramia - Insecta Class Insecta consists of nearly a million described species. There are more species of insects as compared to all the other species of a

Explain difference between monosaccharides and disaccharides, What is the d...

What is the difference between monosaccharides and disaccharides? What are some examples of disaccharides and of monosaccharides that form them? Monosaccharides are simple mole

How does hypophysis- corpus luteum negative feedback work, Q. How does the ...

Q. How does the hypophysis- corpus luteum negative feedback work? What is the name given to the atrophied corpus luteum after this feedback process? After ovulation the estroge

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