Table 1

Patient reviews (inpatient and outpatient activity), procedures performed, and staff variations for different intervals: baseline activity (green), preparation period (amber), and during the COVID-19 lockdown (red). Percentage reduction refers to the change in data from the baseline period to the period of lockdown

Interval dates	Prior to COVID-19 (baseline)	Preparation period	First month of COVID-19 lockdown		Second month of COVID-19 lockdown
	21 Jan–20 Feb 2020	21 Feb–20 Mar 2020	21 Mar–20 Apr 2020		21 Apr–20 May 2020
	n	n	n	% reduction	n	% reduction
Ward activity
Admissions to cardiology ward/CCU	83	68	39	53	73	12
Chest pain admissions	40	35	18	55	38	5
Myocardial infarction admissions	30	30	18	40	20	33
Cardiology referrals	53	46	20	62	44	17
OP clinic activity
Face-to-face clinics	474	319	30	93	50	89
Telephone/video clinics	0	20	89		103
GP referrals	386	258	76	80	202	47
PPM follow-up	222	144	122	45	115	48
Heart failure service
Face-to-face clinics	50	43	0	100	0	100
Home visits	85	52	0	100	0	100
Telephone clinics	156	154	259		261
New referrals	35	26	23	34	28	20
Cardiac rehabilitation
Face-to-face clinics	228	117	0	100	0	100
Home visits	5	6	0	100	0	100
Telephone clinics	63	91	230		190
New referrals	51	45	28	45	25	51
Procedures
PPM implants/generator replacements	24	18	12	50	14	42
DC cardioversion	10	09	0	100	0	100
CRT/ICD	2	2	1	50	1	50
Elective coronary angiography	23	17	13	43	9	61
Urgent coronary angiography	20	21	20	0	18	10
Primary PCI	7	8	7	0	2	71
EP procedures	3	3	0	100	0	100
TAVI	2	2	0	100	0	100
Cardiac surgery	8	5	3	62	1	87
Cardiology staff
Senior doctors	4	4	2	50	2	50
Junior doctors	4	4	1	75	2	50
Nursing staff	9	9	5	44	6	33

CCU, coronary care unit; CRT, cardiac resynchronisation therapy; DC, direct current; EP, electrophysiology; GP, general practitioner; ICD, implantable cardioverter defibrillator; OP, outpatient; PCI, percutaneous coronary intervention; PPM, permanent pacemakers; TAVI, transcatheter aortic valve implantation.