3. Acute abdomen

Question 1

Kehr’s sign ?

Answer 1

is pain referred to the left shoulder due to irritation of the left hemidiaphragm. Often seen with splenic rupture.

Question 2

Murphy’s sign ?

Answer 2

is seen in cholecystitis.

Question 3

Most common cause by far (90%) of free air under diaphragm ?

Answer 3

• Is perforated peptic ulcer.
• Other causes include hollow viscus injury secondary to trauma, mesenteric ischemia (usually under left hemidiaphragm), and large bowel perforation.