General Surgery — Flashcards

Flashcard 571: If multiple individuals of the same accommodation are infected with head lice they must be treated _____

Answer: at the same time

Flashcard 572: Acute urticaria = < _____ Chronic urticaria = > _____

Answer: 6 weeks

Flashcard 573: What is the most common allergen for allergic contact dermatitis? _____

Answer: Nickel (jewellery, bra straps)

Flashcard 574: Urticaria presents with _____ that are pruritic and usually last < 24 hours

Answer: wheals

Flashcard 575: Allergic contact dermatitis rash typically occurs _____ after exposure to an allergen

Answer: 48 hours

Flashcard 576: Spot diagnosis = _____

Answer: Cellulitis

Flashcard 577: What is the management for class III & IV cellulitis?** _____ **class III is significant systemic upset or unstable comorbidities class IV is sepsis or life-threatening infection

Answer: Urgent hospital admission

Flashcard 578: Angio-oedema most commonly affects the _____, lips, & genitals

Answer: eyelids

Flashcard 579: What is the management for **Eron class II** cellulitis? _____ (Class II: Systemically unwell OR systemically well but with a comorbidity e.g. PAD, chronic venous insufficiency, morbid obesity)

Answer: Short-term hospital observation OR outpatient parenteral antibiotic therapy (OPAT)

Flashcard 580: How is an active head lice infestation (pediculosis capitis) definitively diagnosed?

Answer: Diagnosis is confirmed by the visualization of a **live head louse**. Methods include: • **Detection combing** (most sensitive method) • Naked eye examination • Use of a magnifying glass • Microscopy *Note: The presence of nits (eggs) alone is not diagnostic of an active infestation.*

Extra: Detection combing (wet or dry) using a fine-toothed comb (0.2–0.3 mm apart) is significantly more effective than visual inspection alone.