Table 1 Ultrasound Transducer Application Sites in the POCUS Protocol

Thoracic, 6

Upper anterior chest

Lower anterior chest

Upper lateral chest

(3 application sites per hemithorax)

Cardiac, 1 or 3^a

Subcostal, including inferior vena cava

Parasternal^a

Apical^a

Abdomen, 3

Upper right flank

Upper left flank

Pelvis

Vasculature, 4^a

Inguinal vein^a

Popliteal vein^a

(2 application sites per lower extremity)