Physiology of normal cardiac rhythm Definition and mechanisms of arrhythmias Classification of drugs to treat arrhythmias Important anti-arrhythmic drugs (mechanism and pharmacological characteristics) Arrhythmias in clinical practice
1。早期妊娠の診断 Diagnosis of early pregnancy 2。 中、後期妊娠の诊断 Diagnosis of middle and late stage of pregnancy 3。 胎位 、 定 位 、 胎向 Fetal lie, presentation, and position