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What Can you Hear from Stethoscope?

Views:90     Author:Site Editor     Publish Time: 2019-09-10      Origin:Site

What Can you Hear from Stethoscope?

Whether it is internal medicine or surgery, emergency or anesthesia, we can see that the doctor always has a stethoscope around his neck. What does a stethoscope do? What can we hear from it?


What Can you Hear from Stethoscope?



Check for lung disease

The sound of breathing is called the breath sound clinically. The doctor places the stethoscope on each part of the chest. After several deep inhales and exhalations, the doctor can make a preliminary judgment of the health of the lungs based on the breath sound. Under normal circumstances, a person breathes about 15 times per minute, the diameter of the bronchial tubes that the breathing air flows through are different, and the strength of the breathing sound is different.

 

Respiratory sounds diminish or disappear---this may be restricted breathing activity, obstructive emphysema, pneumothorax, pleural effusion, etc.

Breath sound enhancement --- It means that sound conductivity in this area is enhanced, and there may be pulmonary consolidation.

Prolonged breathing sounds --- May be caused by partial obstruction, cramps, or stenosis of the lower airway, such as bronchitis and asthma.

Intermittent breathing sounds---may be pneumonia, tuberculosis, etc.

 

The "signal" of heart disease

When the heart beats, it will regularly make a "peng" sound, and the stethoscope can also initially determine whether the heart has a disease based on the strength and frequency of the heartbeat sound. The content of cardiac auscultation mainly includes aspects such as heart rate, heart rhythm and heart sound.

 

Heart Rate --- Heart rate is the number of heartbeats per minute.

Heart Rhythm --- Heart rhythm refers to whether the rhythm of the heart beat is tidy. You can find problems such as premature heart beat and atrial fibrillation through the heart rhythm.

Heart Sound --- Heart sound refers to the sound produced by the contraction of the myocardium, the closing of the heart valve, and the blood that hits the walls of the ventricles and aorta. When the heart has a lesion, the intensity, nature, and frequency of heart sounds will change.

 

Cardiac murmurs often indicate abnormal heart structures such as accelerated blood flow, stenosis of the heart valve, insufficiency of the valve, ventricular septal defects, and open arterial ducts.

 

"Probing" the abdomen and blood vessels

You might not think that in addition to listening to the lungs and heart, the stethoscope can also listen to your little belly that sometimes gurgles, and even blood vessels.

 

Abdominal bowel sounds

When the bowel moves, the gas and liquid in the bowel flow with it, and it produces a kind of bubbling sound similar to water bubbling, which is called bowel sound (normal 2 ~ 5 times / minute). It is the main sound of the stethoscope in the abdomen.

In acute gastroenteritis, bowel sounds are more active; in the case of mechanical intestinal obstruction, bowel sounds are hyperactive; in the case of peritonitis, senile constipation, hypokalemia, etc., bowel sounds may weaken or even disappear.

 

Vascular noise

The China Trusted Professional Cardiology Master Stethoscope can hear the "blowing" sound when the blood flow from the surrounding blood vessels passes through the stenosis, which is called "vascular noise". If there is a murmur in the large vessels of the neck, it indicates that the carotid or vertebral arteries are narrowed. In patients with hyperthyroidism, continuous murmurs can be heard in the lateral thyroid lobe.

 

In general, the stethoscope is an important "weapon" for clinicians. It is an information transmission line that connects the doctor's brain with the patient's diseased body and plays an important role in medical examinations.


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