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The filling order follows the \((n+\ell)\) rule (lowest \(n+\ell\) fills first):
- 6s: \(n+\ell = 6\)
- 4f: \(n+\ell = 7\)
- 5d: \(n+\ell = 7\) (higher \(n\), so after 4f)
- 6p: \(n+\ell = 8\)
Post-cesarean Endometritis is the most common infectious complication after CS (incidence 10โ30% without prophylaxis).
Risk factors: CS (especially emergency), prolonged ROM, prolonged labor, multiple VEs, lower socioeconomic status.
Diagnosis criteria (clinical):
- Fever \(\geq 38.5ยฐC\) on \(\geq 2\) occasions after 24 hours postpartum
- Uterine tenderness (fundal)
- Foul-smelling/abnormal lochia
- Leukocytosis
Gold Standard Treatment: IV Clindamycin + Gentamicin
- Clindamycin: \(900\,\text{mg}\) IV every 8 hours (anaerobic coverage)
- Gentamicin: \(1.5\,\text{mg/kg}\) IV every 8 hours OR \(5\,\text{mg/kg}\) once daily (gram-negative coverage)
- Continue until patient is afebrile for 24โ48 hours
- No oral follow-up needed if responded to IV therapy (ACOG recommendation)
Ampicillin is added if Enterococcus suspected (no response in 72 hours).
- They are hydrophobic due to alkyl groups.
- They are biocompatible and used in medical implants.
- They have high thermal stability and high dielectric strength (statement 'c' is incorrect because it says low dielectric strength).
- They are resistant to oxidation and chemicals.
Magnetic susceptibility: $\chi = \frac{M}{H}$, where $M$ is magnetisation (magnetic moment per unit volume).
Volume of cube: $V = (1\times10^{-2})^3 = 10^{-6}\ \text{m}^3$
Magnetisation: $M = \frac{\text{dipole moment}}{V} = \frac{20\times10^{-6}}{10^{-6}} = 20\ \text{A/m}$
$\chi = \frac{M}{H} = \frac{20}{60\times10^3} = 3.33\times10^{-4}$
$\chi \approx 3.3 \times 10^{-4}$
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