- 600 And Above. A Class - Attacks

- 600 and above. a class - attacks of a stenocardia arise at walking in an equal place On distance more than 500 m, at rise more than on 1 floor. Probability Occurrence of an attack of a stenocardia increases at walking in cold Weather, against a wind, at emotional excitation or at the first o'clock after Awakenings. - 450 - 600 . a class - the expressed restriction of usual physical activity. Attacks arise at walking in normal rate in an equal place on Distance 100 - 500 m, at rise on 1 floor, can arise rare Attacks of a stenocardia of rest. - 300 - 450 . IV class - a stenocardia arises at small physical activities, At walking in an equal place on distance less than 100 m. Are characteristic Occurrence of attacks of a stenocardia in rest. - 150 or not It is spent. The note: classification of functional classes of a stenocardia stable It is made in view of the recommendation of the Canadian association of cardiologists. Sudden coronary death - death at presence of witnesses Come(Stepped) instantly or within the limits of 6 hours from the beginning of heart attack.