If you are keen for your baby to be introduced to swimming before he is six weeks old your partner, or someone else, can take him. Some private baby swim classes start as early as four weeks but most classes at public pools begin at around 4 months.
Electrocardiogram (EKG, ECG) General Description. As the heart undergoes depolarization and repolarization, the electrical currents that are generated spread not only within the heart, but also throughout the body. This electrical activity generated by the heart can be measured by an array of electrodes placed on the body surface.
This phase is not abnormal and is a part of its mechanism of action. It is caused by the blood concentration of suxamethonium exceeding the therapeutic window. Desensitization occurs at the nerve terminal, and the myocyte becomes less sensitive to acetylcholine; the membrane repolarizes and cannot be depolarized again.