Batson’s plexus: valveless venous system Venous drainage of the spine: internal plexus external plexus IVC rt atrium Batson’s plexus communicate with venous drainage from the pelvic, abdominal n thoracic Y communicate? If any obstruction to IVC in abdominal level, venous blood from lower xtrmities can still travel back to the heart. That’s y gut bacteria can be one of the etiology
Improvement: falling ESR, WCC return to normal. Important to assess pt CLINICALLY !!!
Note the spread of the infection anteriorly to, rather than thru the vertebral body.
Liver enzymes inducer: P C B R A S (pyrazinamide, carbamazepine, barbiturate, rifampicin, alcohol, sulphonylurea) Liver enzymes inhibitor: SICK FACES.COM (sodium valproate, isoniazid, cimetidine, ketoconazole, fluconazole, alcohol, CMC, erythromycin, sulfonamides, ciprofloxacin, omeprazole, metronidazole)
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