The Portable Electrocardiogram Monitor segmentation by type classifies devices according to lead configuration, form factor, and connectivity, each influencing market size. Single‑lead units, characterized by a solitary electrode pair, dominate the low‑cost segment and contribute approximately 40 % of overall unit shipments, driven by consumer‑grade wellness applications and basic arrhythmia screening. Multi‑lead systems, typically three to six leads, capture richer cardiac vectors and account for roughly 35 % of revenue, as hospitals and specialist clinics require higher diagnostic fidelity. Wearable patch monitors, adhering directly to the skin for continuous monitoring, represent about 15 % of the market, reflecting increased adoption in home‑based chronic‑care programs where long‑term data continuity is critical. Handheld devices, ergonomically designed for rapid point‑of‑care use, hold a 7 % share, favored by emergency medical services and ambulatory providers for their ease of deployment. Finally, integrated telemedicine solutions—devices with built‑in wireless transmission and cloud analytics—contribute the remaining 3 %, primarily in regions with mature digital‑health infrastructures. This type‑based market taxonomy clarifies how functional differentiation translates into distinct revenue streams within the portable ECG sector.