| Precipitating Factor | Number of cases (%) |
| Chest infection | 159 (44.9%) |
| Non adherence to prescription | 77 (21.8%) |
| Urinary tract infection | 40 (11.3%) |
| Urinary tract infection with chest infection | 17 (4.8%) |
| Arrhythmia | 13 (3.7%) |
| Chest infection with arrhythmia | 27 (7.6%) |
| Urinary tract infection with arrhythmia | 8 (2.3%) |
| Anaemia with uncontrolled hypertension | 8 (2.3%) |
| Ischaemic heart disease | 3 (0.8 %) |
| Endocarditis | 2 (0.6%) |