Brain Death Markers

1. Cerebrum - Vagal Activation

° ↓ HR, ↓ cardiac output, ↓ BP

2. Pons – Mixed Vagal and Sympathetic

° ↓ HR, ↑ BP, irregular breathing

3. Medulla Oblongata – Sympathetic

° ↑ HR, ↑ BP, thermoregulatory impairment, endocrine dysfunction

4. Spinal Cord – Sympathetic Deactivation

° ↓ HR, ↓ cardiac output, ↓ BP