Heart murmur: Difference between revisions

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{{SI}}
{{Infobox medical condition
| name            = Heart murmur
| image          = [[File:Phonocardiograms_from_normal_and_abnormal_heart_sounds.svg|250px]]
| caption        = Phonocardiograms from normal and abnormal heart sounds
| field          = [[Cardiology]]
| symptoms        = Abnormal heart sounds
| complications  = [[Heart failure]], [[endocarditis]], [[stroke]]
| onset          = Can be present at birth or develop later
| duration        = Varies
| causes          = [[Congenital heart defect]], [[valvular heart disease]], [[septal defect]], [[anemia]], [[fever]]
| risks          = Family history, [[rheumatic fever]], [[infective endocarditis]]
| diagnosis      = [[Auscultation]], [[echocardiogram]], [[chest X-ray]], [[electrocardiogram]]
| differential    = [[Normal heart sounds]], [[pericardial friction rub]]
| treatment      = Depends on the underlying cause; may include [[medication]], [[surgery]]
| prognosis      = Varies depending on the cause
| frequency      = Common
}}
'''Heart murmurs''' are audible sounds produced during the cardiac cycle, often characterized by a 'whooshing' or 'swishing' noise. These sounds, distinct from the normal heart 'lub-dub' sound, can be classified as either '''innocent''' (harmless) or '''abnormal'''.
'''Heart murmurs''' are audible sounds produced during the cardiac cycle, often characterized by a 'whooshing' or 'swishing' noise. These sounds, distinct from the normal heart 'lub-dub' sound, can be classified as either '''innocent''' (harmless) or '''abnormal'''.
[[File:Phonocardiograms from normal and abnormal heart sounds.svg|thumb|Phonocardiograms from normal and abnormal heart sounds]]
== Understanding Heart Murmurs ==
== Understanding Heart Murmurs ==
Heart murmurs can be a benign phenomenon occurring when blood flows more rapidly than usual through the heart. This can occur during exercise, pregnancy, or rapid growth in children. However, abnormal heart murmurs may indicate a more serious cardiac condition, including congenital heart defects present at birth or acquired heart valve disease.
Heart murmurs can be a benign phenomenon occurring when blood flows more rapidly than usual through the heart. This can occur during exercise, pregnancy, or rapid growth in children. However, abnormal heart murmurs may indicate a more serious cardiac condition, including congenital heart defects present at birth or acquired heart valve disease.
[[File:Diseases of infancy and childhood (1914) (14585348819).jpg|thumb|Diseases of infancy and childhood (1914) (14585348819)]]
[[File:Diseases of infancy and childhood (1914) (14585348819).jpg|left|thumb|Diseases of infancy and childhood (1914) (14585348819)]]
== Symptoms Associated with Heart Murmurs ==
== Symptoms Associated with Heart Murmurs ==
While innocent murmurs typically do not cause symptoms, abnormal murmurs may be associated with other signs such as shortness of breath, dizziness or fainting, bluish skin (cyanosis), or a chronic cough.
While innocent murmurs typically do not cause symptoms, abnormal murmurs may be associated with other signs such as shortness of breath, dizziness or fainting, bluish skin (cyanosis), or a chronic cough.
== Diagnosis and Assessment ==
== Diagnosis and Assessment ==
A heart murmur can usually be detected during a physical examination with a stethoscope. If a murmur is identified, the clinician will assess its characteristics including its loudness, location, and timing within the cardiac cycle. This assessment aids in determining whether the murmur is innocent or indicative of a more serious condition.
A heart murmur can usually be detected during a physical examination with a stethoscope. If a murmur is identified, the clinician will assess its characteristics including its loudness, location, and timing within the cardiac cycle. This assessment aids in determining whether the murmur is innocent or indicative of a more serious condition.
Patients suspected of having a serious underlying heart condition may be referred to a cardiologist for further evaluation. Additional diagnostic tests such as an electrocardiogram (EKG) or echocardiogram may be performed to evaluate heart rhythm, structural abnormalities, and overall cardiac function.
Patients suspected of having a serious underlying heart condition may be referred to a cardiologist for further evaluation. Additional diagnostic tests such as an electrocardiogram (EKG) or echocardiogram may be performed to evaluate heart rhythm, structural abnormalities, and overall cardiac function.
== Treatment ==
== Treatment ==
The heart murmur itself does not require treatment. However, if it is caused by a more serious heart condition, appropriate treatment for that condition may be indicated. This can include medication, cardiac catheterization, or cardiac surgery, depending on the nature and severity of the underlying condition.
The heart murmur itself does not require treatment. However, if it is caused by a more serious heart condition, appropriate treatment for that condition may be indicated. This can include medication, cardiac catheterization, or cardiac surgery, depending on the nature and severity of the underlying condition.
== Prognosis ==
== Prognosis ==
The prognosis for individuals with heart murmurs largely depends on the underlying condition causing the murmur. Individuals with innocent murmurs generally have a normal lifespan and require no medical intervention. However, those with abnormal murmurs due to serious heart conditions may require ongoing medical management, and the prognosis varies based on the specific heart condition and its severity.
The prognosis for individuals with heart murmurs largely depends on the underlying condition causing the murmur. Individuals with innocent murmurs generally have a normal lifespan and require no medical intervention. However, those with abnormal murmurs due to serious heart conditions may require ongoing medical management, and the prognosis varies based on the specific heart condition and its severity.

Latest revision as of 03:56, 7 April 2025

Editor-In-Chief: Prab R Tumpati, MD
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Founder, WikiMD Wellnesspedia &
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Heart murmur
Synonyms N/A
Pronounce N/A
Specialty N/A
Symptoms Abnormal heart sounds
Complications Heart failure, endocarditis, stroke
Onset Can be present at birth or develop later
Duration Varies
Types N/A
Causes Congenital heart defect, valvular heart disease, septal defect, anemia, fever
Risks Family history, rheumatic fever, infective endocarditis
Diagnosis Auscultation, echocardiogram, chest X-ray, electrocardiogram
Differential diagnosis Normal heart sounds, pericardial friction rub
Prevention N/A
Treatment Depends on the underlying cause; may include medication, surgery
Medication N/A
Prognosis Varies depending on the cause
Frequency Common
Deaths N/A


Heart murmurs are audible sounds produced during the cardiac cycle, often characterized by a 'whooshing' or 'swishing' noise. These sounds, distinct from the normal heart 'lub-dub' sound, can be classified as either innocent (harmless) or abnormal.

Understanding Heart Murmurs[edit]

Heart murmurs can be a benign phenomenon occurring when blood flows more rapidly than usual through the heart. This can occur during exercise, pregnancy, or rapid growth in children. However, abnormal heart murmurs may indicate a more serious cardiac condition, including congenital heart defects present at birth or acquired heart valve disease.

Diseases of infancy and childhood (1914) (14585348819)

Symptoms Associated with Heart Murmurs[edit]

While innocent murmurs typically do not cause symptoms, abnormal murmurs may be associated with other signs such as shortness of breath, dizziness or fainting, bluish skin (cyanosis), or a chronic cough.

Diagnosis and Assessment[edit]

A heart murmur can usually be detected during a physical examination with a stethoscope. If a murmur is identified, the clinician will assess its characteristics including its loudness, location, and timing within the cardiac cycle. This assessment aids in determining whether the murmur is innocent or indicative of a more serious condition. Patients suspected of having a serious underlying heart condition may be referred to a cardiologist for further evaluation. Additional diagnostic tests such as an electrocardiogram (EKG) or echocardiogram may be performed to evaluate heart rhythm, structural abnormalities, and overall cardiac function.

Treatment[edit]

The heart murmur itself does not require treatment. However, if it is caused by a more serious heart condition, appropriate treatment for that condition may be indicated. This can include medication, cardiac catheterization, or cardiac surgery, depending on the nature and severity of the underlying condition.

Prognosis[edit]

The prognosis for individuals with heart murmurs largely depends on the underlying condition causing the murmur. Individuals with innocent murmurs generally have a normal lifespan and require no medical intervention. However, those with abnormal murmurs due to serious heart conditions may require ongoing medical management, and the prognosis varies based on the specific heart condition and its severity.