Table 1.

Data on breed, age, sex, cause of hypokalaemic myopathy, serum potassium concentration, serum creatine kinase level, degree of cervical flexion, degree of positioning head tilt and outcome of 14 feline cases

Case	Breed	Age (years)	Sex	Diet at onset	Cause of HM	K (mmol/l)	CK (U/l)	Degree of CF	Degree of PHT	Outcome
1	DSH	5	MC	CCF	CKD	2.4	NE	Clearly	Clearly	PHT disappeared
2	Munchkin	5	MC	PD for LUTD	CKD	2.5	NE	Clearly	Clearly	PHT disappeared
3	DSH	3	MC	PD for liver disease	Unknown	2.6	>2000	Clearly	Clearly	PHT disappeared
4	DSH	14	FS	CCF	CKD	3	672	Clearly	Clearly	PHT disappeared
5	DSH	9	FS	CCF	CKD	2.4	267	Clearly	Clearly	PHT disappeared
6	DSH	16	FS	PD for renal disease	Anorexia (FVR)	2.1	839	Clearly	Clearly	PHT disappeared
7	DSH	Unknown	M	Unknown (stray cat)	Severe diarrhoea	1.6	1770	Clearly	Clearly	PHT disappeared
8	DSH	8	MC	PD for allergic dermatitis	CKD	2.2	720	Clearly	Clearly	PHT disappeared
9	Scottish Fold	12	MC	CCF	Suspected PA	2.9	>2000	Clearly	Clearly	PHT disappeared
10	DSH	14	MC	PD for gastrointestinal disease	Severe diarrhoea	1.8	NE	Mild	Mild	PHT disappeared
11	DSH	18	MC	CCF	CKD	3	574	Mild	Mild	PHT disappeared
12	DSH	18	FS	PD for renal disease	CKD	2.8	215	Mild	Mild	PHT disappeared
13	DSH	11	MC	PD for LUTD	Unknown	2.8	966	Mild	Mild	PHT disappeared
14	DSH	20	FS	Jerky, boiled chicken, cheese for cats	CKD	2	536	Mild	Mild	PHT disappeared

CCF = commercial cat food; CF = cervical flexion; CK = serum creatine kinase level; CKD = chronic kidney disease; DSH = domestic shorthair; FS = spayed female; FVR = feline viral rhinotracheitis; HM = hypokalaemic myopathy; K = serum potassium concentration; LUTD = lower urinary tract disease; M = male; MC = castrated male; NE = not examined; PA = primary aldosteronism; PD = prescription diet; PHT = positioning head tilt