Class: Lincosamide Mechanism of action: Binds 50S subunit of ribosome and inhibits translation – bacteriostatic (Remember the mnemonic: buy AT 30 & CELLS at 50) Spectrum: Gram positive and Anaerobes Mnemonic: PAST Penicillinase producing Staphylococci Anaerobes (Bacteroides, Clostridium, Fusobacterium) Streptococci (Viridans, Pyogenes, Pneumoniae) Toxoplasma Uses: Mnemonic: PAST Peritonitis, Pelvic abscess,…
Surgical Skills
Hip Spica Cast
Acceptable angulation in Femoral Shaft Fractures Age Varus/Valgus (degrees) Anterior/Posterior (degrees) Shortening (mm) <2 yr 30 30 15 2-5 yr 15 20 20 6-10 yr 10 15 15 >10 yr 5 10 10 Reference: Rockwood and Wilkin’s Fractures in Children – Leg position for Hip Spica Application in Femur Shaft…
PGMEE, MRCS, USMLE, MBBS, MD/MS
CTEV Made Easy
CAVE deformities Mnemonic Deformity Site Components C Cavus Midfoot Plantar flexed 1st metatarsal A Adductus Forefoot (Tarsometatarsal joint) Medial displacement of navicular and cuboid along with talar neck and head; Calcaneus and distal calcaneal articulating surfaces adducted along V Varus Hindfoot (Subtalar joint) Calcaneum is adducted, plantar flexed and inverted…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Idiopathic Scoliosis Made Easy
Definition Cobb’s angle >10° Diagnosis of exclusion: Congenital scoliosis and Neuromuscular scoliosis ruled out Types: Early onset (<10 years): Infantile: 0-3 years Juvenile: 4-10 years Late onset (>10 years) Adolescent: 10-18 years Adult: >18 years Indications for MRI in general Mnemonic: Left JAPAN Left thoracic curves Juvenile onset (<10 years)…
PGMEE, MRCS, USMLE, MBBS, MD/MS
NSAIDs : Mnemonics
Classification Mnemonic: Prescribed By SOFIA Propionic acid derivatives: Ibuprofen, Ketoprofen, Flurbiprofen, Naproxen Pyrrolo-pyrrole derivates: Ketoroloac Pyrazolone derivatives: Phenylbutazone, Oxybutazone Benzoxazocine derivatives: Nefopam Salicyaltes: Aspirin Selective COX-2 inhibitor: Celecoxib, Etoricoxib, Parecoxib Oxicam derivatives: Piroxicam, Tenoxicam Fenamic acid derivatives: Mefenamic acid (Anthranilic acid derivative) Indol derivatives: Indomethacin, Sulindac Aryl acetic acid derivatives:…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Compartments, Muscles and Fasciotomy of the leg
Muscle Origin Insertion Action Innervation Anterior compartment 1. Tibialis anterior (TA) Superior 2/3 lateral surface of tibia Medial cuneiform, 1st metatarsal Dorsiflexion, foot inversion Deep peroneal nerve (L5) 2. Extensor digitorum longus (EDL) Superior 2/3 of fibula and interosseous membrane Middle and distal phalanx, lateral 4 toes Dorsiflexion, toe extension…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Arthrodesis Positions
Arthrodesis is the surgical fusion of a diseased joint for the purposes of obtaining pain relief and stability. The bones are fused in a position permitting most useful function but lose their natural motion. Shoulder Flexion: 30° Abduction: 20° Internal rotation: 40° Elbow One side: 90° Both side: One in…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Paget’s Disease of bone : Mnemonic
Synonyms: Osteitis deformans Collage of matrix madness Mnemonic: Sixteen “P”s 1. Paramyxovirus infection and inclusions in osteocalsts 2. Pain (most common symptom – localized fractures or nerve compressions) 3. Pelvis (most common site) 4. Polyostotic (more common; 85%) 5. Phases: Active (lytic, mixed, sclerotic) and Inactive 6. Plasma volume expansion…