Synonyms: Nervus radialis, Musculospiral nerve Recommended reading: Course 1. Origin: Terminal branch of Posterior cord of brachial plexus (Root value: C5, C6, C7, C8, T1) 2. Posterior axilla: It lies behind the axillary and upper part of the brachial arteries, passing anterior to tendons of subscapularis, lattisimus dorsi and teres…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Cephalosporin Pharmacology – Mnemonics
Cephalosporins are one of the most widely prescribed antimicrobial drugs. They can be classified into 5 to generations and the medical students often have hard time remembering the names of drugs falling into different generations as the names appear and sound similar. This is a collection of mnemonics from different…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Anatomy of Ostiomeatal complex
Synonyms: Ostiomeatal unit, Osteomeatal complex, OMC Definition: The term “ostiomeatal unit” represents the area on the lateral nasal wall (middle meatus) that receives drainage from the anterior and medial ethmoid cells, frontal sinus, and maxillary sinus. It is an antomically constricted area that is prone to blockage, especially in the…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Triangles and Lymph node levels of Neck
There are 2 major triangles in the neck, containing other smaller triangles. 1. Anterior triangle: Midline of neck – Mandible – Anterior border of SCM Posterior triangle: Posterior border of SCM – Trapezius – Clavicle (level V); 2 triangles inside separated by inferior belly of omohyoid Surgically, cervical lymph nodes…
Clinical Skills and Approaches 
Autonomous Sensory Zones of Peripheral Nerves
Synonym: Autonomous area Definition: These are the regions where single nerve roots supply distinct and non-overlapping areas of skin. By their nature the “autonomous zones” represent only a small portion of any dermatome and only a few nerve roots have such autonomous zones. The size of autonomous zone for a…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Approaches to Middle ear and Mastoid surgery
Endomeatal (Transcanal or Transmeatal) Approach: Not used commonly in children owing to relatively small ear canal This incision is used when the mesotympanum and hypotympanum are the surgical sites A posterior tympanomeatal flap is raised to enter into the middle ear. The flap includes skin over the medial two-thirds of the bony…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Cavernous Sinus – Simplified
Synonyms: Sinus cavernosus, Lateral sellar compartment Definition and Extent Size: 2 cm long and 1 cm wide Walls: Extent: Contents of Cavernous sinus These are closely related to the floor of sinus and are separated from the interior of sinus by endothelium. 4 nerves in the lateral wall: Note: Mandibular…
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Too many Medical negligence Claims – Where is the fault?
It isn’t a new thing to find the news of medical negligence and extortion, manhandling of health professionals in the newspapers as well as online news websites. Almost every day we have news of a conflict between attendants and the medical professionals after the mishap with the patient. A likelihood…