A love murmur is a blowing, whooshing, or rasping sound heard during a heartbeat. The sound is led to by stormy (rough) blood flow through the heart valves or near the heart.

You are watching: A soft blowing sound caused by turbulent blood flow is a:

The heart has actually 4 chambers:

Two top chambers (atria)Two reduced chambers (ventricles)

The heart has actually valves the close through each heartbeat, resulting in blood to flow in only one direction. The valves are located in between the chambers.

Watch this video clip about:Heartbeat

Murmurs can occur for numerous reasons, together as:

When a valve does not close tightly and blood leaks backward (regurgitation)When blood flows with a small or stiff love valve (stenosis)

There are several methods in which your health treatment provider may explain a murmur:

Murmurs are classified ("graded") depending on how according to the murmur sounds through a stethoscope. The grading is on a scale. Great I have the right to barely it is in heard. An example of a murmur description is a "grade II/VI murmur." (This means the murmur is great 2 ~ above a range of 1 to 6).In addition, a murmur is explained by the phase of the heartbeat as soon as the murmur is heard. A love murmur might be defined as systolic or diastolic. (Systole is once the love is squeezing the end blood and also diastole is as soon as it is filling up v blood.)

When a murmur is much more noticeable, the provider may be able to feel it with the palm that the hand over the heart. This is dubbed a "thrill".

Things the provider will look because that in the exam include:

Does the murmur occur when the heart is relaxing or contracting?Does it last throughout the heartbeat?Does it adjust when friend move?Can it be heard in various other parts that the chest, top top the back, or in the neck?Where is the murmur heard the loudest?

Many love murmurs room harmless. These species of murmurs are referred to as innocent murmurs. They will not cause any symptoms or problems. Chaste murmurs do NOT require treatment.

Other heart murmurs may show an abnormality in the heart. These abnormal murmurs deserve to be brought about by:

Pulmonary regurgitation (backflow that blood right into the ideal ventricle, resulted in by fail of the pulmonary valve to close completely)

Significant murmurs in kids are more likely come be caused by:

Anomalous pulmonary venous return (an abnormal formation of the pulmonary veins)

Multiple murmurs may an outcome from a mix of love problems.

Children often have murmurs together a normal component of development. This murmurs execute NOT need treatment. They may include:

Pulmonary circulation murmursStill"s murmurVenous hum

A provider have the right to listen to her heart sounds by placing a stethoscope on her chest. You will certainly be request questions around your medical history and symptoms, together as:

Have other family members members had murmurs or other abnormal heart sounds?Do you have actually a family background of love problems?Do you have chest pain, fainting, shortness the breath, or various other breathing problems?Have you had swelling, load gain, or bulging veins in the neck?Does her skin have actually a bluish color?

The provider may ask you to squat, stand, or organize your breath when bearing down or gripping something with your hands to hear to her heart.

The following tests may be done:

Chest sound - murmurs; heart sounds - abnormal; Murmur - innocent; innocent murmur; Systolic love murmur; Diastolic heart murmur

Fang JC, O"Gara PT. Background and physical examination: one evidence-based approach. In: Zipes DP, Libby P, Bonow RO, Mann DL, Tomaselli GF, Braunwald E, eds. Braunwald"s love Disease: A Textbook of Cardiovascular Medicine. 11th ed. Philadelphia, PA: Elsevier; 2019:chap 10.

Goldman L. Technique to the patience with feasible cardiovascular disease. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 45.

Nishimura RA, otto CM, Bonow RO, et al. 2017 AHA/ACC focused update that the 2014 AHA/ACC pointer for the monitoring of patients through valvular love disease: a report the the American college of Cardiology/American love Association Task force on exercise Guidelines. Circulation. 2017;135(25):e1159-e1195. PMID: 28298458 pubmed.ncbi.nlm.nih.gov/28298458/.

Swartz MH. The heart. In: Swartz MH, ed. Textbook of physical Diagnosis: background and Examination. 8 hours ed. Philadelphia, PA: Elsevier; 2021:chap 14.

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Updated by: thomas S. Metkus, MD, Assistant Professor the Medicine and also Surgery, Johns Hopkins University school of Medicine, Baltimore, MD. Also reviewed by David Zieve, MD, MHA, clinical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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