Arrhythmias — Flashcards

Flashcard 361: Degeneration of sinus node and replacement with fibrous tissue is suggestive of _____

Answer: sick sinus syndrome

Flashcard 362: In primary herpes infections, _____-like symptoms typically precede the development of genital lesions

Answer: viral

Extra: Primary infections are typically more severe than recurrent episodes.

Flashcard 363: Check [_____] levels if myoglobinuria is confirmed in a burn victim

Answer: K

Flashcard 364: Diuretics and a low-salt diet are effective in treating: A) Ménière Disease B) Benign Paroxysmal Positional Vertigo (BPPV) C) Viral Labyrinthitis D) Vestibular Neuronitis E) Central Vertigo _____

Answer: A

Flashcard 365: Treatment for tinea capitis? _____ Complication? _____

Answer: Oral Griseofulvin (note: NOT topical)

Flashcard 366: Regular "sawtooth" baseline with regular P:QRS ratio (e.g. 2:1, 4:1)= _____

Answer: atrial flutter

Flashcard 367: _____calcemia _____kalemia _____magnesemia causes prolongation of the QT interval

Answer: Hypo

Flashcard 368: What type of white blood cell may be elevated in primary adrenal insufficiency? _____

Answer: Eosinophils

Extra: Cortisol normally promotes the apoptosis of eosinophils and their sequestration in the bone marrow. In primary adrenal insufficiency (Addison's disease), low cortisol levels lead to peripheral eosinophilia. Lymphocytosis may also be observed.

Flashcard 369: _____ results in wide splitting of S2.

Answer: Right bundle branch block

Extra: Right bundle branch block (RBBB) delays depolarization of the right ventricle, leading to delayed closure of the pulmonic valve and thus **wide splitting** of S2 (audible splitting during both inspiration and expiration, but still increasing with inspiration).

Flashcard 370: Symptoms of orbital cellulitis include _____, ophthalmoplegia, and visual changes

Answer: proptosis