Heart is failing to do the thing Flashcards
What are the effects of cardiac glycoside medications? (select all that apply)
A) Decrease contraction
B) Decrease HR
C) Decrease conduction
B and C
Glycosides INCREASE contraction
Which diagnosis out of the following would not lead to medicating the patient with cardiac glycosides?
A) Atrial flutter
B) Atrial fibrillation
C) Congestive heart failure
D) Decreased heart rate
D) Cardiac glycosides decrease the heart rate and are used to treat patients with atrial dysthymias and congestive heart failure.
How do you calculate the cardiac output?
stroke volume multiplied by heart rate
If the patient is in heart failure, how much salt is the recommended daily intake?
A) As little as possible
B) <1 gm per day
C) <2 gm per day
D) <3 gm per day
B) The patient should try to consume no more than 2 gm a day of salt. (approx. 1 teaspoon)
Which of the following is NOT a non-pharmacological treatment for CHF?
A) Losing weight
B) Stop smoking
C) Drink more water
D) Mild exercise
C) Drinking more water is not a treatment for congestive heart failure and could lead to increased fluid buildup in the lungs and edema.
What is the normal lab value for ANP?
A) 10-55
B) 20-77
C) 30-77
D) 15-88
B) The normal ANP lab values are between 20 and 77 pg/ml.
What is the normal lab value for BNP?
A) 20-77
B) 15-88
C) <100
D) >100
C) The normal BNP lab value is less than 100.
Which test is more reliable out of ANP and BNP?
BNP
What is the initial dosage of digoxin?
A) 0.125-1 mg/day
B) 0.125-0.5 mg/day
C) 0.5-1 mg/day
D) >1 mg/day
A) 0.125-1 mg per day is the initial dose of digitalis (digoxin)
What is the maintenance dose of digoxin?
A) 0.125-1 mg/day
B) 0.125-0.5 mg/day
C) Varies greatly depending on patient
B) 0.125-0.5 mg per day is the maintenance dosage of digoxin (digitalis)
What is a side effect of digoxin?
A) Tachycardia
B) Hypertension
C) Ventricular dysrhythmia
D) Constipation
C) Digoxin commonly causes ventricular dysrhythmias, heart blocks, and bradycardia.
What are symptoms of digitalis toxicity? (select all that apply)
A) Blurred vision
B) Yellow halo around objects
C) Dysuria
D) Increased thirst
E) Anorexia
F) N/V/D
A, B, E, and F
Dysuria and increased thirst are not signs of digitalis toxicity.
What should the nurse check before administering digoxin?
A) Apical heart rate
B) Respiration rate
C) Check for edema on extremities
D) Blood pressure
A) Apical heart rate
What is the blood serum digoxin level that is considered safe?
A) 0.125-0.5
B) 0.5-1
C) 0.5-2
D) 2-3
C) 0.5-2 ng/ml
Which electrolyte needs to be monitored in patients that take digoxin?
A) Sodium
B) Potassium
C) Iron
D) Phosphate
B) Potassium
Low potassium potentiates toxicity.
