Heart murmur to differentiate between the lifting of doubts
- Filed under: Heart disease
- Date: Mar 7,2009
Heart murmur is due to cavity or vascular disorder in the formation of vortex blood flow to the heart wall, heart valve or blood vessel wall resulting from vibration happen; it may also be because of blood flow through the heart or heart valve cavity to speed up when elected.
Heart murmur may be generally divided into two categories:
First Class: Yes physiological or functional murmur, also known as the sound of noise, many appear in the cardiac contraction time.
The other: are pathological or organic murmur may appear in the cardiac contraction or relaxation time.
Noise appears in accordance with time, can be divided into systolic (contraction of the heart and point out that time) murmur, diastolic (and point out that the time for diastolic) murmur and continuity (and point out that the cardiac systolic and diastolic time) three types of noise.
Murmur has six categories according to their loudness or two four classifications. At six classifications, the systolic murmur many meaningless grade â… , â…¡ grade may also be physiological, â…¢ level and above are most of the pathological. Diastolic murmur many have diagnostic significance, â… level may also be sick.
Physiological or functional characteristics of noise are light and soft sound, but generally below the rank â…¡ systolic murmur, its appearance does not necessarily mean that the heart sick, but to enhance myocardial contractility, blood flow to speed up results. Nothing in general, I feel, do not have treatment, therefore, do not mind. Many occurred in the normal young people, can also be seen in fever, anemia, emotional, and after exercise has hyperthyroidism patients.
In addition, there is still a “straight back syndrome” disease, because of sternal deformity and thoracic inward depression, oppression of heart, so that right ventricular outflow tract (ie, the right ventricle near the site of exports) noise generated by the oppressed. At the left edge of the second intercostal sternum (pulmonic area) that systolic murmur could be heard but also to the sound of noise.
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Or organic pathological characteristics of noise are loud and rough sound, most of them at or above grade â…¢, lasted for a long time, and to other areas conduction auscultation. May appear in the systolic or diastolic. Click on the palm of your hand at the chest wall may also feel kind of like a cat to catch my breath when the chest wall tremor, this feeling in medicine referred to as “cat breath” or “tremor.”
It is the heart of the emergence of organic diseases have a reliable diagnosis. Should be based on its cause and symptoms, appropriate treatment. This type of noise found in rheumatic heart disease, such as mitral insufficiency, in the apical area can occur as the voice of the same hair; such as mitral stenosis, in the apical area can be the same or like thunder-like drum sound.
Congenital heart murmur, to many loud rough systolic murmur mainly the nature of the site may vary due to lesions, in the case of pulmonary valve stenosis, atrial septal defect, the majority of noise at the left second intercostal sternum; case of ventricular septal defect, the majority of noise sternum at the left of the third and fourth intercostal; patent ductus arteriosus murmur of the left sternum is also the first and second intercostal space, but more strange noises, sounds like a train through the tunnel when it rumble, and systolic and diastolic murmur murmur together.
A lot of sick patients rational heart murmur, in the exertion or activity can have chest tightness, dyspnea, palpitation feel, therefore, should be given to drug treatment, may, when necessary, to carry out surgery.
In short, it must be stressed that, when you know they have heart murmur, first of all, should be invited to a doctor are clear physiological or pathological, is the systolic or diastolic. If a living rational systolic murmur, while the heart is not necessarily sick, do not have nervous and does not require treatment.
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