AV – Atrioventricular

BPM – Beats Per Minute

Ca⁺ – Calcium

Cl⁻ – Chloride

ECG / EKG – Electrocardiogram

F Waves – Fibrillatory Waves

K⁺ – Potassium

mL – Milliliters

mm – Millimeter

ms – Millisecond

mV – Millivolt

Na⁺ – Sodium

PAC – Premature Atrial Complex

PAC – Premature Atrial Contraction

PJC – Premature Junctional Complex

PVC – Premature Ventricular Complex

SA – Sinoatrial

SVT – Supraventricular Tachycardia

WPW – Wolff-Parkinson-White Syndrome