What is the common mechanism of action for Cardiac glycosides (digoxin and digitoxin) and Ouabain?

a) Joint dislocation, berry and aortic aneurysms, organ rupture
b) YQL, 39000 (FL390), 791159
c) Stains: 1. ViMENTin 2. DesMin 3. Cytokeratin 4. Gfap 5. Neurofilaments
d) MOA: ribavirin and Mycophenolate