Couvelaire uterus - (Abruptio Placenta)

It is pathological entity in association with severe form of concealed abruption placenta
There is massive intravasation of blood into the uterine musculature upto the serous coat.
The condition can only be diagnosed on laparotomy

Difference Between Osler's Node and Janeway Lesions (Infective Endocarditis)

INFECTIVE ENDOCARDITIS 

Osler's Nodes : Painful Nodules on Finger tip and Toes (Immunologic phenomena)

Janeway Lesions : Macular Erythematous non tender lesion on Palms and Soles . (Vascular phenomena)