Mod X: BASIC EKG INTERPRETATION

Answer 1

•Standardized EKG

–Horizontal line = Time

• In seconds
• 1 small box = 0.04 seconds

–Vertical line = measures height/depth

• In millimeters
• 1 mm = 0.1 mV, 5 small boxes = 0.5 mV, 10 small boxes = 1 mV
• 1 mm = 0.04 seconds, 5 mm = 0.20 seconds