It is noteworthy
that no episodes were observed after I960, a
fact that can be attributed to the introduction of
TABLE 4 Acute pulmonary oedema in pregnancy
complicated by rheumatic heart disease (Newcastle).
Precipitating factors in 25 attacks occuring in 29
pregnancies in i8 patients
Conditions immediately preceding onset ofpulmonary No. of
oedema attacks
Ectopic tachycardia 4
Respiratory infection 4
Physical effort 3
Cerebral embolism I
Pulmonary embolism I
Plasma transfusion I
Toxaemia of pregnancy 2
Hemichorea I
Emotional upset I
Miscarriage I
Nothing noticeable 6
mitral valvotomy and also to the natural decrease in
the severity of rheumatic heart disease.