Strasberg and Bismuth classification A – bile leak from part ATTACHED to biliary tree (cystic duct or duct of Luschka) B – BLOCK in part of biliary tree C – bile leak from CUT-OFF duct (not in communication) with the biliary tree D – DEFECT (<50%) in common hepatic duct…
Category: PGMEE, MRCS, USMLE, MBBS, MD/MS
Medical knowledge in bullet points with understandable language, simplified images and graspable mnemonics.
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Femoral Hernia : Mnemonic
Mnemonic: FEMORAL Females (4 times more common) Elderly McEvedey operation (incision above inguinal ligament – preferred in emergency intervention due to easy access to compromised bowel for any resection if required) Obstruction/incarceration/strangulation risk is higher (rigid walls of femoral ring) Richter’s hernia – most common location Above inguinal ligament –…
Emergency Medicine 
Burn Injury : Mnemonic Approach (ATLS)
Mnemonic: BURNS Burn depth and body surface area (BSA) Burn degree Burn depth Features Healing Mnemonic: Number of degrees = Number of structures involved Mnemonic: RBCS 1st Superficial (epidermis only) Red <1 wk 2nd Partial thickness – superficial (epidermis + papillary dermis) Blister + Blanches 1-3 wks Partial thickness –…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Parasympathetic ganglia of Head and Neck
Important points: Mnemonics: 1. COPS 3977 2. C is 3rd letter hence related to cranial nerve III 3. S for Sphenopalatine and Submandibular and S for Seven and is related to Superior Salivatory nucleus 4. All postganglionic fibers are carried by trigeminal nerve (Cranial nerve V) Ganglion Nucleus Pre-ganglionic Post-ganglionic…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Parotid Gland : Mnemonics
Relations Anterior: 3 “M” Posterior: Mastoid and attachments Medial (Parotid bed): VANS Structures traversing the parotid gland Mnemonic: FACER Parotid gland innervation 1. Parasympathetic: Secretomotor (from Otic ganglion) – Serous, water rich saliva Mnemonic: PAR–O–T–Id G–L–And PARotid gland ← Auriculotemporal nerve ← Otic ganglion ← Lesser petrosal nerve ← Tympanic…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Organ Transplant Complications and Rejection
Types of Transplant Rejection Type Time Mechanism Pathology Hypersensitivity Management Host against Graft (Host vs Graft) Mnemonic: TIA Hyperacute Immediate (<5 days) Anti-donor antibodies in recipient Thrombosis and Obliteration of blood supply Type II UntreatablePrevent by cross-matchingRemove graft Acute (most common) < 6 months (most common in 1st month) Anti-donor…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Thyroid Hormone Function & Synthesis : Mnemonics
Thyroid Hormone Functions Mnemonic: 7 X B’s Thyroid Hormone Synthesis Mnemonic: ATE ICE 1. Active transport of iodide: 2. Thyroglobulin (rich in Tyrosine): formed in follicular ribosomes 3. Exocytosis of thyroglobulin into follicular lumen: stored as colloid 4. Iodination: Peroxidase enzyme – 5. Coupling: 6. Endocytosis: of T3 and T4…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Superficial and Deep Perineal Space or Pouch
Superficial and deep perineal space is located in the urogenital triangle, the boundaries of which are: Analogy: Remember a big mac. It has 3 layers of BUN and 2 hamburger PATTIES. Posteriorly, all 3 Fascias are attached to the perineal body, closing the spaces. Superficial Perineal Space Mnemonics: 1. Superficial…