Each time your heart beats, the contractions and relaxations of the heart muscle emit electrical current. An electrocardiogram (EKG) is a medical recording of the electric impulses from the heart. Electrodes that send impulses to the EKG machine are attached to the patient’s skin at various points on the body. Those recorded currents are displayed on a computer monitor and…
Tag: Electrodes
A Sleep Study What To Expect
When sleep apnea is suspected a sleep study is recommended in most cases. It is a very good tool to collect comprehensive information about somebody’s sleep pattern. Multiple data channels will record certain physiological parameters taken from your sleeping body. These are: blood oxygen saturation, airflow through your nose, chest effort, muscle tension, eye movement, and brain activity. A number…