Acute conditions Flashcards
Describe the characteristics seen in Chlamydia trachomatis A-C as well as preferred treatment.
Recurrent epithelial keratitis in childhood; corneal scarring and entropion. The LEADING CAUSE of preventable blindness worldwide. Active phase shows follicular conjunctivitis and panes (neovascularization) formation in cornea. Tx with azithromycin tetracycline or erythromycin (topical) for 3-4 weeks.
Most common etiologic agents for otitis external and patient populations at risk for malignant otitis externa?
Pseudomonas and enterobacteriaceae. There will b the presence of granulation tissue in the external meatus. Systemic abs should be used in pts with severe disease, immunodeficiency, or DIABETICS. They may even require IV abx.
What causes hyperkalemia in DKA?
Extracellular shift of potassium in exchange to hydrogen ion with resultant intracellular potassium deficit
Impaired insulin-dependent cell entry of the potassium ion.
How can you distinguish rotator cuff tendinitis/impingement from other forms of rotator cuff pathology?
Lidocaine is injected into joint. Imrpoved ROM and pain relief corroborates dx. MRI is used for definitive dx.
Diagnostic test of choice in zenkers diverticulum
Contrast esophogram. Other options to visualize, like endoscopy, are associated with very serious risks of complications such as esophageal perforation.
Adult that presents with arthritis/arthralgias involving the MCP, PIP, and wrist joints. No elevation in ESR. Likely cause?
Viral arthritis secondary to parvo B19 infection. Presents with acute onset of polyarticular and symmetric arthritis that resolves within 2 months.
Centor criteria for pharyngitis
Fever by history Tender anterior cervical lymphadenopathy Tonsillar exudates Absence of cough If 0-1 present, no testing/tx. If 2-3 present, rapid strep. If all 4 present, can either do rapid antigen test empiric oral PCN or amoxicillin.
