Table 1

Patient and pacemaker characteristics

Case	Sex	Age	ECG rhythm	Aetiology	RR (range)	Activity threshold	Activity slope	Model
1	M	76	SR, CHB	Unknown	70–120	Medium	4	Sensolog 2034T^1-150
2	M	70	AF, CHB	IHD	70–130	High	4	Sensolog 2034T^1-150
3	M	68	PAF, CHB	Ablate	60–120	Medium	7	Legend 8416^1-150
4	M	66	AF, CHB	Ablate	60–110	Medium	6	Sensolog 2034T^1-150
5	F	66	AF, CHB	Ablate	70–150	Low	11	Meta-3 1206^†
6	F	29	AF, CHB	Ablate	80–150	Medium	7	Legend 8416^1-150
7	M	33	SR, CHB	Congenital	60–100	–	15	Meta MV 1202^†
8	M	56	SR, CHB	Congenital	70–120	Medium	7	Legend II 8427^1-150
9	M	71	SR, CHB	Unknown	70–120	–	10	Opus G 4624^1-150
10	M	61	SR, CHB	IHD	70–110	Medium	6	Excel VR 1120^1-150
11	M	62	AF, CHB	Ablate	60–120	Medium	10	Thera SR 8940^1-150
12	M	50	AF, CHB	Ablate	70–120	Medium	7	Thera SR 8940^1-150

↵1-150 Activity sensor; ^†minute ventilation sensor.
RR, rate response; SR, sinus rhythm; PAF, paroxysmal atrial fibrillation; AF, atrial fibrillation; CHB, complete heart block; IHD, ischaemic heart disease; Ablate, nodal ablation.