With increasing age, the kidney atrophy shifts the renal parenchyma pyelon index to 1:2:1. Renal Ultrasound Anatomy The kidney is a bean-shaped organ, which has usually a smooth convex lateral organ boundary.
Bipolar disorder may result from a chemical imbalance within the brain. The brain's functions are controlled by chemicals called neurotransmitters. An imbalance in the levels of one of these neurotransmitters, such as norepinephrine, may cause bipolar disorder. When levels of this chemical are too high, mania occurs.
Common Bipolar Triggers. 1  An irregular sleep schedule. 2  A poor work environment. (where there is a lot of infighting, politicking, a lack of structure, etc.) 3  Fighting or arguing with the people around you.  Medication side 1  effects. Travel.  Feeding into the first signs of mania.