Diseases description: the Rheumatic heart disease, also called RHD, is due to rheumatic fever activity, involving the heart valves caused by heart attack. It shows the following situations: mitral、tricuspid、Aortic valve in one or several valve stenosis and (or) regurgitation . Early disease is usually no obvious symptoms, however, late disease displays palpitation shortness of breath, fatigue, cough, body edema, cough sputum pink bubble, until the death of heart failure, some patients comport the death of artery embolization and infarction. This disease starts up the cold、damp and crowed environment in winter and spring, It firstly falls ill in the 5-15 years old, and secondly contracts the same disease after the initial issuance of 3 to 5 years.

     Disease diagnosis: The ECG and X-ray examination of Rheumatic heart disease

     First: Acute carditis

     The patient, about 25% Of ECG, exist P-R interval prolongation as I atrioventricular block,ST segment and T wave changes and Q-T interval prolongs, such as premature and AF.

     Second: Mitral stenosis

     Mild mitral stenosis can show normally in the examination of ECG, typical mitral stenosis change and wide P wave, or right chest leads appear Bidirectional P wave with increasing. It also shows right ventricular hypertrophy, late disease usually occurs with AF.

     Third: mitral regurgitation

     The ECG: Left ventricular hypertrophy or combined disorders.

      Fourth: Aortic stenosis

      X-ray examination: left ventricular dilatation, aortic valve calcification can be seen occasionally.

      Fifth: Tricuspid stenosis:

      The medical X-ray machine examination: Extreme right atrium is no significant increase of pulmonary expansion

      Sixth: tricuspid regurgitation

      X-ray examination: Right atrium and superior vena cava pulsate obviously in systolic, simultaneously, the right atrium increases extremely.

      Seventh: aortic insufficiency

      ECG: Left axis deviation, left ventricular hypertrophy, and strain.

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