Temporal Resolution (TR)
and Phase duration of RR Interval
CT capability to capture image in the shortest time
Rotation speed
(Max)
Temporal Resolution
Available ms window w.r.t Patient Heart Rate
(10% of the RR Interval)
Phase duration (10%) of RR Interval (80 mSec for 72bpm)
(msec/360)
Half Rotation
TR (mSec)
3-Segmented
TR (mSec)
5-Segmented
TR (mSec)
250
125
41.67
25
100
50
33.33
25
275
137.5
45.83
28
100
50
33.33
25
300
150
50.00
30
100
50
33.33
25
350
175
58.33
35
100
50
33.33
25
500
250
83.33
50
100
50
33.33
25
60bpm (mSec) 120bpm (mSec) 180bpm (mSec) 240bpm (mSec)
A healthy human heart
beats 72 times per
minute which states
that there are 72
cardiac cycles per
minute, the cycle lasts
approximately 0.8
seconds.(or 800ms)
The fastest human
ventricular
conduction rate
reported to date is a
conducted
tachyarrhythmia
with ventricular rate
of 480 beats per
minute.