All 30 topics are covered above. Here's a quick orientation guide to the answer:

The answer covers every question on your exam list, organised as follows:

Q1–2 — Abdominal injuries & trauma examination approach Q3–4 — Acute abdomen (causes by region, exam technique) Q5–7 — DDx of acute abdomen: gynaecological, renal colic, extra-abdominal mimics Q8 — Peritonitis & intra-abdominal abscesses Q9–10 — Appendicitis (acute, complications) Q11–12 — Intestinal obstruction (mechanical, SBO vs. LBO) Q13 — Acute calculous cholecystitis Q14 — Perforated hollow organs Q15 — Acute pancreatitis Q16 — Chronic appendicitis Q17 — Chronic calculous cholecystitis Q18 — Complications of cholecystitis (Charcot, Reynold, Gallstone ileus, Mirizzi) Q19–20 — Chronic pancreatitis (DDx + forms) Q21–23 — Hernias (types, strangulation, inguinal DDx) Q24–25 — Choledocholithiasis (labs, MRCP, ERCP, DDx) Q26–27 — UGIB + bleeding ulcers (Forrest classification) Q28 — Oesophageal varices Q29 — Mallory-Weiss syndrome (vs. Boerhaave) Q30 — Lower GI bleeding (diverticular, angiodysplasia, haemorrhoids, cancer, IBD)

The Summary Table at the end lists the highest-yield clinical signs for rapid exam recall. Good luck!