Heart failure — Flashcards

Flashcard 61: What is the urine Na+ (mEq/L) in acute tubular necrosis? _____

Answer: > 40 mEq/L

Extra: * loss of polarity of tubular epithelium -> unble to reabsorb Na+ Other: Goljan:

Flashcard 62: Acute kidney injury (pre-renal, intrarenal, or postrenal) leads to _____ serum creatinine and/or _____ urine output

Answer: increased

Flashcard 63: β-blockers must be used cautiously in _____ and are contraindicated in cardiogenic shock

Answer: decompensated HF

Extra: #REF!

Flashcard 64: How does osmolarity change with SIADH? _____

Answer: Decreased (hyposmolarity)

Extra: Other: Goljan

Flashcard 65: One complication that may occur during the first 4 hours post-MI is _____, which occurs due to inefficient pumping of the left ventricle

Answer: congestive heart failure

Flashcard 66: _____ diabetes insipidus is characterized by polyuria and polydipsia with an inability to concentrate urine due to lack of response to ADH

Answer: Nephrogenic

Extra: * Generous pee stream = polyuria

Flashcard 67: In diabetes insipidus, the water deprivation test fails to _____ urine osmolality

Answer: increase

Extra: =

Flashcard 68: _____ lines may also be seen on a chest x-ray of a patient with acute decompensated heart failure

Answer: Kerley B

Flashcard 69: Indications for acute dialysis may be remembered with the mnemonic AEIOU: A - _____ E - severe Electrolyte abnormalities I - substance Intoxication O - volume Overload U - Uremic symptoms

Answer: Acidosis

Flashcard 70: What is the fractional excretion of Na+ (FENa) in long-standing (severe) postrenal azotemia? _____

Answer: > 2% (elevated)

Extra: Other: Goljan: