Triple deformity of knee consists of 3 components:
1. Flexion deformity at knee
2. Posterolateral subluxation of tibia
3. External rotation of tibia over femoral condyle
Mechanism behind triple deformity of knee:
Causes of Triple deformity of knee:
Mnemonic: TRIPLE
1. Tuberculosis (TB) knee – commonest cause
2. Rheumatoid arthritis
3. ITB contracture
4. Polio
5. Low clotting capacity/
6. Excessive bleeding i.e. hemophilia
Mnemonic: CAT 1. Coronary sinus (50%): Drains blood from left side of heart → Thebesian valve → Right Atrium 2. Anterior cardiac veins (20%): Drain blood from right side of heart → Right Atrium 3. Thebesian veins/Venae cordis minimi (30%): Drain deoxygenated blood from endocardium and myocardium → Respective chamber…
Recommended duration of anticoagulant prophylaxis The recommendations are as follows: 1. Provoked DVT (with reversible surgical or nonsurgical provoking factor): 3 months 2. Unprovoked isolated distal DVT (has low risk of recurrence): 3 months 3. Unprovoked proximal DVT or PE: Indefinite therapy if D-dimer positive after 1 month after 3 months of therapy or second VTE…
Imagine DNA as a zipper Prokaryotic DNA as a zipper with single slider (single origin of replication) and Eukaryotic DNA as a zipper with two sliders (multiple origin of replication). Zipper teeth: Purines and pyrimidine bases Complementary teeth pair: Complementary base pairs attached by hydrogen bonds Top stops: Origin of…