In this video, we discuss pressures, focusing on peak pressure and plateau pressure in the context of ventilator management. Peak pressure, occurring at maximum inspiration, comprises resistance and elasticity. Plateau pressure, measured during inspiratory hold, represents elasticity alone. Elevated peak pressure indicates either resistance or compliance issues. If plateau pressure is normal, it suggests a resistance problem, while an elevated plateau pressure indicates a compliance issue. By understanding these pressures, one can troubleshoot ventilator problems effectively, distinguishing between compliance and resistance issues and addressing them accordingly. We also analogize the respiratory system to an electrical circuit to illustrate pressure relationships. Overall, we aim to deepen understanding of ventilator pressures for better patient care.