Terminologies Electrosurgery modalities Modality Electrode configuration Waveform Indications Remarks DC Electrocautery Patients with ICDs and pacemakers No current passes through patient (direct heat transference to tissue) AC Unaltered sine wave a. High voltage, Low ampere Can be tolerated in patients with pacemakers at low dosage Electrodessication Monoterminal Markedly damped Superficial…
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
Bile duct injuries – Mnemonic
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…
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…