“…Thirteen studies addressed how fluctuations in the HF illness trajectory impact caregiving experiences over time [39, 57, 72, 73, 77, 78, 84, 88, 97, 113, 118, 127, 140]. Qualitative studies [39, 72, 73, 77, 78, 84, 88, 97, 118, 140] described a number of similar themes including: initial doubts and anxiety about performing in the caregiving role that improved over time; frenzied periods of medical instability (e.g.…”