Partial results: Effect of heart rate and rhythm on dose and scan length

ECG Mean DLP Scan time (sec) Scan steps Mean HR Skipped QRS Mean DLP increase Relevant changes/scanner response
HR 45 bpm 211 13.3 6 45 5 0 Scan time, type I
HR 60 bpm 211 10 6 60 5 0 None
HR 75 bpm 211 8 6 75 5 0 None
HR 90 bpm 211 10 6 90 10 0 None
HR 120 bpm 211 8 6 120 10 0 None
Effect of atrial arrhythmias
SVES 238.5 ±15.7 8.7 ± 0.5 6.6 ± 0.5 75.0 ± 0.4 5.0 20% DLP, type IVb
Sinus arrhythmia 216.2 ± 12.6 9.3 ± 1.0 6.2 ± 0.4 75.7 ± 1.5 6.5 ± 0.71 4% None, type IVa
Atrial flutter 211 8 6 75 5 0% None, type I
Atrial fibrillation 231 ± 18.3 10.3 ± 0.6 6.6 ± 0.5 78 ± 1 5 14% DLP, type IVb
Intermittent systole 211 8.4 ± 0.6 6 70.5 5 0% None, type I
Effect of heart block
AV block I 211 8 6 75 5 0% None, type I
AV block II 211 8.8 6 69.5 ± 0.7 5 0% None, type III
Impact of ventricular arrhythmias
Monotope VES 211 8.8 6 75.7 ± 0.6 5.7 ± 0.5 0% None, type II
Polytope VES 211 8.4 ± 0.4 6 75.8 ± 0.8 5.5 ± 0.5 0% None, type II
Ventricular compensatory rhythm 211 8.2 ± 0.5 6 72.7 ± 1.6 5 0% None, type III
Bigemini (45% R-R) 211 8 ± 0.0 6 81.0 ± 0 5 0% None, type III
R-on-T phenomenon 215.8 ± 8.2 8.5 ± 0.4 6.3 ± 0.5 82.6 ± 0.4 5 3% None, type IVa
Couplets 213.2 ± 6.4 213.2 ± 6.4 6.3 ± 0.5 82.6 ± 0.4 5 3% None, type IVa
Salvo 238.5 ± 17.2 8.5 ± 0.5 7.3 88.3 ± 6.8 5.7 ± 1.2 20% DLP, type IVb

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