The 2013 ICM criteria for defining Periprosthetic joint infection (PJI) can be remembered using the mnemonic below: Mnemonic: 1 tract or 2 bact. and 3 of ABCDEF 1 sinus tract communication with the joint OR 2 positive periprosthetic cultures with phenotypically identical bacteria AND 3 of the following six minor…
Tag: Orthopedics
Section Editor: Dr. Sulabh Kumar Shrestha, MBBS, PGY1 Orthopedics
PGMEE, MRCS, USMLE, MBBS, MD/MS
Continue Reading
Pathophysiology of Osteomyelitis
Osteomyelitis is defined as an inflammation of the bone (single portion or numerous regions, like marrow, cortex, periosteum and surrounding soft tissue) caused by an infecting organism (usually monomicrobial but polymicrobial can occur, especially in diabetic foot). Definitions, Criteria and Classifications of different types of Osteomyelitis have been discussed in…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Continue Reading
ESR and CRP in Musculoskeletal infection
ESR (Erythrocyte Sedimentation Rate) Usually elevated within 48-72 hours of the infection onset (less reliable in the first 48 hours of infection) Continues to rise for 3-5 days after institution of successful therapy and continuing rise beyond 4th-5th day of treatment can be an indication of treatment failure (not good…
Emergency Medicine
Continue Reading
Polytrauma Assessment and Management (ATLS) : Mnemonics
SIEVE triage system Mnemonic: ABC-30-2 Can Do Approach to assessment and initial management Mnemonic: ARM Adjuncts to Primary Survey Reflects the adequacy of resuscitation. Mnemonic: PEA COVER Primary Survey Follow the look, listen, feel approach – Mnemonic: ABCDE 1. Airway and C-spine protection: 2. Breathing: 3. Circulation and control of…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Continue Reading
Casting technique related Radiographic indices
Cast index Formula: Inner diameter of cast on lateral view (m) / Inner diameter of cast on AP view (n) Cut-off: 0.7-0.8 Padding index Formula: Dorsal fracture site gap (h) / Maximum interosseous length in AP view (g) Cut-off: 0.3 Cantebury index Formula: Cast index (m/n) + Padding index (h/g)…
Clinical Skills and Approaches
Continue Reading
Radial Tunnel Syndrome (RTS) – Anatomy and Clinical Examination
Synonyms: Radial pronator syndrome, Treatment resistant lateral epicondylitis (tennis elbow) Anatomy of Radial Tunnel The anatomic radial tunnel (~5 cm) extends from the radial head to the inferior border of the supinator muscle. Mnemonic: FREAS Fibrous bands anterior to radiocapitellar joint Radial recurrent vessels (leash of Henry) ECRB medial edge…
Clinical Skills and Approaches
Continue Reading
Femoral Anteversion test (Craig’s test)
Synonym: Trochanteric prominence angle test Patient position: Prone with knee on test side flexed to 90 degrees Test procedure: Examiner palpates the greater trochanter and internally and externally rotates the hip until the greater trochanter lies at the lateral most aspect of the hip (the greater trochanter is parallel to…
PGMEE, MRCS, USMLE, MBBS, MD/MS
Continue Reading
Wrist Extensor Compartments
The Extensor Zone VII (wrist) contains 6 extensor compartments comprising of 6 synovial sheath lined tunnels separated from each other by fibrous sheath. These compartments contain tendons of muscles that pass from forearm to hand. The number of tendons passinf thorugh the compartments (radial to ulnar) can be remembered using…