The ASVSA Association for research on Viable Systems was created with the aim of disseminating the results of research and stimulate the interest and participation of an increasing number of researchers attracted and intrigued by the conceptual trends of Viable System Approach and more generally of systems thinking.
Congestive Heart Failure (CHF) progresses through four stages, each signifying a what are the 4 stages of congestive heart failure different level of severity: 1. Stage I - High Risk: At this early stage, individuals have risk factors for CHF, such as hypertension or diabetes, but no apparent heart damage. Lifestyle changes and risk factor ma...
