This study was to gather real-time ECG data through the use of the SHERLOCK 3CG™ Tip
Confirmation System (TCS), an electrocardiogram (ECG)-based peripherally-inserted central
catheter (PICC) tip confirmation technology. The study was to promote the development of a
software package (MODUS) that can accurately define the maximum P-wave on an ECG waveform.
All study participants received PICCs as their standard of care.