Pre-requisites for Vac Dressing Components of Vac Dressing 1. Pump for Negative Pressure: In a study, 3 closed suction drainage systems were studied – Davol Reliavac 400 Evacuator, Jackson-Pratt Closed Wound Suction Drainage System, and Snyder Hemovac 400. In all three systems, maximal negative pressures (-71 to -175 mm Hg)…
Author: Dr. Sulabh Kumar Shrestha, MS Orthopedics
He is the section editor of Orthopedics in Epomedicine. He searches for and share simpler ways to make complicated medical topics simple. He also loves writing poetry, listening and playing music.
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Demonic Possession From The Eyes of Science
Several cultures and religions round the globe carry a belief that the humans are capable of being possessed or inhabited by spirits and even the goddess. The ministry of different religions have formulated a set of procedures called exorcism for casting or expelling out the spirit. It comprises of but…
Surgical Skills 
Orthopedic Screw Insertion Mnemonic
Don’t Marry Too Soon DRILL Choose the correct drill bit Insert the drill bit correctly in the chuck Tighten the chuck sufficiently Start the drill home perpendicular to the surface Maintain adequate pressure Maintain the proper direction Irrigation with normal saline should be commenced simultaneously with drilling Keep the drill…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Pedicle Screw Insertion Simplified
Anatomy of Vertebral Pedicle Width (narrowest transverse diameter): Narrowest at T4-T5 (4-5 mm) Above and below this level, the width gradually increases to almost double at T1 and T11 (8 mm) Narrowest for lumbar at L2 (two for tiny; 2 X 3 = 6 mm) Increases gradually to L5 (5…
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Modified Impact Factor of Journals
The impact factor (IF) or journal impact factor (JIF) of an academic journal is a sciento-metric index calculated that reflects the yearly mean number of citations of articles published in the last two years in a given journal. It is calculated as: IFᵧ = Citationsᵧ/[Publicationsᵧ₋₁ + Publicationsᵧ₋₂] For example, in 2017, there were 74090 citations of 2015 and 2016 Nature…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Boutonniere and Swan neck Deformity – Pathophysiology
Understanding of the Boutonniere and Swan neck deformity requires clear concept of the finger extensor apparatus, which has been discussed here. The extrinsic extensor tendons trifurcate giving a central slip which attaches to the middle phalanx base and two lateral slips which join with lateral band (formed by intrinsic muscles…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Juvenile Idiopathic Arthritis (JIA) : Mnemonic Approach
Synonym: Juvenile Rheumatoid Arthritis (JIA) Diagnosis of JIA Mnemonic: One Six Sixteen (1, 6, 16) 1: Inflammation of atleast 1 joint (joint involvement: knee > wrist/hand > ankle > hip > c-spine) 6: Lasting for atleast 6 weeks 16: Onset before 16 years age In order to confirm the diagnosis,…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Singh Index for Osteoporosis – Simplified
Pattern of bone loss in Osteoporosis Trabecular bone responds faster to metabolic changes due to greater surface are compared to cortical bone. Non-weight bearing (secondary trabeculae) are lost first. Weight bearing (primary trabeculae) may appear prominent due to loss of other trabeculae and may also become thickened due to compensatory…