FAST Integrated Workflow

Automated precise patient positioning

We’ve invented a new workflow that helps you precisely position your patients. It’s an interplay of the world’s first FAST 3D Camera, the Touch Panels on our CT scanners - SOMATOM Force, SOMATOM Drive, or SOMATOM Edge Plus - a smart use of algorithms, and of course you, the user. Find out more about how this workflow will change your view on CT.


Why precise patient positioning is a challenge

Many factors in today’s medical landscape make the precise positioning of a patient in a CT a challenge for you as technician or radiologist. First of all, there are the patients, who you can’t choose. They differ significantly in size, height, and weight, so manual positioning is a job in itself, and it takes time. But technicians differ as well, various workflows and different body heights can lead to unreproducible positioning. In fact, the mean deviation from the isocenter is 2.6 cm in 95 percent of cases1. In effect, this leads to increased dose and affects image quality, and it can potentially lead to nonreimbursed rescans.

“ Special attention must be paid to correct patient positioning in order to optimize organ dose and image quality for each CT examination.” Natalia Saltybaeva, Hatem Alkadhi; Vertical Off-Centering Affects Organ Dose in Chest CT: Evidence from Monte Carlo Simulations in Anthropomorphic Phantoms 09.2017

Discover our FAST Integrated Workflow

Four easy steps drive workflow automation and standardization to a new level

Step 1. Starting with 3D measurement

To help you precisely position your patients, we’ve invented the FAST Integrated Workflow. FAST stands for "Fully Assisting Scanner Technologies". It all starts with 3D measurement on SOMATOM Force, SOMATOM Drive or SOMATOM Edge Plus.

  • The FAST 3D Camera captures the patient’s shape, positioning, and height in three dimensions
  • Using infrared measurement, it even recognizes body contour, which is especially useful when, for example, patients are wearing thick clothes

 

Step 2. Calculating with accuracy

Now at the push of a button you can leverage the power of automation for accurate and reproducible positioning. The new “zero-click” solution on the Touch Panels runs three unique algorithms simultaneously to support accurate and reproducible positioning:

  • The body regions in z-direction
  • The patient’s direction – “head-first versus feet-first” as well as “prone or supine”
  • The table height and patient thickness

 

Step 3. FAST Isocentering at the touch of a button

Specialized applications support accurate and reproducible positioning:

  • FAST Isocentering: provides the correct isocenter position, enabling the right dose modulation and consistent images
  • FAST Range: supports scanning the correct body region with no truncation by aligning the automatically identified anatomical position with the protocol
  • FAST Direction: helps safeguard the right scan direction, which is crucial when moving the table with infused patients
  • FAST Topo: enables faster scan speeds in topograms, which prevents breath-hold artifacts: it also has the potential to decrease the topogram dose
  • FAST Planning: adapts the scan range to your patient’s anatomy, reducing overscanning and increasing consistency – regardless of who’s operating the system
  • FAST 3D Align: adapts the reconstruction range to your patient’s anatomy

Step 4. Stay in control and close to your patients

Enhance patient experience and interaction with two front-side and two optional back-side Touch Panels:

  • This allows all parameters to be set and controlled while staying in touch with the patient
  • Protocol selection and patient positioning become simpler and more precise
  • With FAST ECG Check, patient variabilities with ECG impedance and electrode contact are ruled out, allowing for the most accurate ECG signal for each patient

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1Li J, Udayasankar UK, Toth TL et al., Automatic patient centering for MDCT: effect on radiation dose. Am J Roentgenol. 2007;188:547–552