This sign is found in:
Kehrs sign is seen in Splenic injury 
• Kehr’s sign is occurrence of pain in the tip of shoulder due to presence of blood/irritant in peritoneal cavity.
• Kehr’s sign in left shoulder is considered a characteristic sign of splenic rupture.
• Kehr’s sign is a classic example of referred pain (phrenic nerve)
Splenic injury
Perforative peritonitis
Mesenteric vascular occlusion
Gastric volvulus