Until it's all metabolized, it's all over your body, in your blood, visiting your brain, etc (3). And, of course, because it's in your blood, it's therefore in your lungs. This is the cause of the alcohol breath that most people refer to. In simple terms, it's in the process of being processed alcohol, and it has a distinct, somewhat sweet, odor.
Genicular Nerve Block. This outpatient procedure is an injection of anesthetic to the genicular nerves. These are the sensory nerves that transmit pain signals from the knee to the brain. Anesthetizing these nerves can disrupt the pain signals caused by degeneration of the knee. A genicular nerve block can provide temporary pain relief.
A medial branch block is an injection of a strong local anesthetic on the medial branch nerves that supply the facet joints. The facet joints, also known as the zygapophysial joints, are part of the bony framework of the spine. They are small bony projections from one vertebra meeting with similar bony projections from the vertebra above or below.