ECG Study Guide - Hoag Hospital Exam questions with verified answers Graded A+ 2026/2027 Cardiac Conduction: Normal Electricity Pathway - The SA node is the heart's primary pacemaker. Electrical firing starts in the SA node, then travels thro
ECG Study Guide - Hoag Hospital Exam questions with verified answers Graded A+ 2026/2027 Cardiac Conduction: Normal Electricity Pathway - The SA node is the heart's primary pacemaker. Electrical firing starts in the SA node, then travels thro