North America dominates the EtCO2 Sensor market with a 35% share, driven by adoption of advanced critical care technologies, policies supporting remote patient monitoring, and a mature healthcare ecosystem. Europe follows with 25%, fueled by aging demographics, stringent regulatory frameworks, and high investment in hospital infrastructure. The Asia Pacific region is the fastest-growing market, projected to expand at a CAGR of 12% through 2030, supported by rising healthcare infrastructure, increasing ICU capacity, and growing awareness of early diagnostic tools. Latin America and the Middle East & Africa show emerging potential, with policy incentives and rising healthcare investments offsetting lower current adoption rates.