AdvancedImaging.Vet · Multidetector CT
Multidetector CT: speed and soft tissue for emergency and specialty
This is the scanner you'd find in a human hospital. It is fast, it handles soft tissue and contrast well, and it comes in tiers from 16 slices up. Slice count is a starting point. Rotation speed, tube capacity, software and what it costs to service matter just as much.
Start with the studies you need to do
Before I compare manufacturers, I want to know the job. Two hospitals can scan the same anatomy and still need different scanners. Motion, patient size, emergency work, cardiac plans, volume, your team's experience and who reads the studies all change the answer.
Whole-body work
Chest, abdomen, orthopedic, spine, neuro, oncology and trauma studies each ask something different of the scanner.
Emergency and throughput
How cases arrive, how long patients are under anesthesia, how often you repeat a scan, and whether the scanner is free when you need it. That tells you if speed will change your day.
Motion and detail
Breathing, heartbeat, patient size, metal, contrast timing and the anatomy you're after decide how much detector, rotation speed, software and tube you need.
Cardiac CT
By cardiac I mean a planned cardiac scanning service led by a board-certified veterinary cardiologist. Routine chest imaging is not cardiac CT.
Slice count is a tier, not the whole answer
Block Imaging groups CT systems by capability and cost of ownership. Slice count is a useful starting point. Detector coverage, rotation speed, tube capacity, software and how easy the scanner is to service can matter just as much.
The workhorse
A good start for most specialty and emergency work that isn't cardiac.
- Lower cost to buy and to service
- Verify tube capacity for expected volume
- Confirm every protocol you need before you choose
More speed
Worth a look when motion, volume or cardiac plans call for it.
- Block identifies 64-slice as a starting cardiac tier
- Validate the exact veterinary cardiac protocol
- Weigh performance against what it costs to own
128-slice and up
Only when advanced cardiac work or very high volume clearly justifies the cost.
- Buy it for the protocols, not the prestige
- Costs more to buy and to service
- Confirm you have the specialist, the room and the caseload
Cardiac changes the requirement
A higher tier makes sense when you are building cardiac CT with a board-certified veterinary cardiologist, set protocols, a way to manage motion and a specialist to read the studies. Slice count alone doesn't make a cardiac service.
Four questions beyond slice count
Will the patient fit? Will the anatomy fit inside the imaged field? Can the detector cover it efficiently? Can the scanner get it fast enough to control motion?
Ask to see it on a real patient
Ask each provider to show you studies like the ones you plan to do. Patient size, anesthesia, breath control, contrast timing and reconstruction decide whether the result fits your medicine.
Five scanners I'm asked about most
This puts the Revolution ACT next to established 16-, 64- and 128-slice scanners. It is a comparison, not a ranking. What a scanner can do depends on its year, configuration, software, tube history and service plan.
GE BrightSpeed 16
Block includes BrightSpeed among its most-requested refurbished CT systems and describes higher-end BrightSpeed configurations as practical for moderate patient volume. It remains a familiar general-purpose comparison when advanced cardiac imaging is not the program’s core requirement.
The deck is manual by default. Use the arrows or dots to compare systems, or select Play to advance automatically.
The details, when you're ready
Open these when you want to compare rooms, manufacturers and service.
Room, power, shielding, and delivery planning
A compact gantry is not the same as a compact finished room. The patient table, service access, egress, anesthesia, console, shielding, HVAC, floor loading, and rigging route all matter.
- BrightSpeed 16: planning references run from roughly 12 ft 10 in × 19 ft 3 in to 13 ft × 20 ft 8 in; 200–480 VAC, three-phase, 90 kVA.
- Revolution ACT: GE’s equipment footprint is not a finished-room requirement; use the exact site drawing for table travel, service, egress, shielding, and 40 kVA input.
- Aquilion 64: about 25–27 m² in reviewed references; 200 VAC, three-phase, 100 kVA.
- LightSpeed VCT 64: roughly 19 ft 2 in × 11 ft 8 in minimum with the smaller table; 380–480 VAC, three-phase, 150 kVA.
- Definition Edge: manufacturer example about 16 ft 9 in × 21 ft 2 in; 400 VAC, 86.5 kVA before configuration-dependent cooling loads.
Before construction, require the exact serial-number-specific site drawing and physicist-approved plan.
Manufacturer families and ownership tradeoffs
- GE: broad refurbished market, parts access, and practical service pathways; verify features and tube on older 16-slice units.
- Siemens: wide performance range and strong advanced options; proprietary tubes and service can raise lifecycle cost.
- Toshiba / Canon: user-friendly, often air-cooled options with a solid tube reputation; confirm local serviceability.
- Philips: strong cardiac capability and durable MRC tube designs; third-party parts and service coverage can be narrower.
Availability changes. Treat these as comparison directions, not a promise that a specific model is in stock.
Service questions that belong in the buying decision
“CT experience” isn't specific enough. Ask for the assigned engineer's experience with your manufacturer and model, how far away they are, response times in and out of hours, what happens when a tube fails, where parts come from, and what the contract excludes.
For multidetector CT I plan service with Block Imaging, so you know who supports the scanner before you buy it.
How I get to a recommendation
I connect four things: the studies and patients you have; the detector, rotation, tube and software those studies need; your room, power, cooling and shielding; and what it costs over its life, including training, service and tube replacement.
You get my reason for the direction, the closest alternative, what would change my mind, and what still has to be checked on the exact scanner you're quoted.
Want a second opinion?
Tell me about your caseload, your room and your budget. I'll tell you which tier I'd look at and why.
Source notes: The comparison set uses Block Imaging’s manufacturer and slice-count guide, Siemens Definition comparison, and current Block examples for BrightSpeed and LightSpeed VCT. Technical values were cross-checked against applicable OEM and regulatory documents, but every quoted unit must still be verified by serial number, configuration, software, tube history, room plan, regulatory status, and written service coverage.
Sources: OEM technical literature from GE HealthCare, Siemens Healthineers, Philips, and Canon/Toshiba; Block Imaging product and service resources; and current configuration-specific site-planning documents. Verify the exact model, software level, tube, table, service coverage, and approved site plan.