The Rise of Kâ12 Blended Learning | 133 NSTITUTE NNOSIGHT represents a ranking of 1 st in Santa Clara County and 5 th in California when compared to similar schools with at least 70 percent low-income students.
The heart has four chambers, two upper atria, the receiving chambers, and two lower ventricles, the discharging chambers. The atria open into the ventricles via the atrioventricular valves, present in the atrioventricular septum. This distinction is visible also on the surface of the heart as the coronary sulcus.
From the information provided, it is difficult to know how the ER doctor found out one of your heart chambers is slightly larger as it appears both the ECG and chest x-ray were reported to be normal. In humans, we have four heart chambers (the left and right ventricle, and the left and right atrium).