The document discusses cardiovascular and pulmonary monitoring devices. It describes the purpose of these monitors as showing electrical and pressure waveforms to measure and treat the cardiovascular system, and also measure respiratory parameters. It outlines different types of non-ambulatory and ambulatory monitors like Holter monitors, event recorders, mobile cardiac telemetry, and insertable cardiac monitors. The document also discusses defibrillators, cardioversion, electrode and lead placements, pulse oximetry, blood pressure measurement, respiratory rate measurement, and complications related to monitoring.