WITH 10% VERIFIED ANSWERS
Who is included in per protocol analysis? - ANSWER- Only those who followed the
protocol
Who is included in as-treated analysis? - ANSWER- All patients randomized according
to the therapy they actually received
What is the formula for power? - ANSWER- 1-B(eta)
What is a Type 1 error? AKA alpha error - ANSWER- Really no difference, but study
shows difference
What is a Type II error? AKA beta error - ANSWER- Really is a difference, but study
shows no difference
What type of data is the mean preferred? - ANSWER- continuous data
What type of data is the median preferred? - ANSWER- Ordinal data
What is nominal data? - ANSWER- Named categories with no rank/order
What is oridinal data? - ANSWER- Categories with rank/order
What type of statistical tests are preferred for nominal data? - ANSWER- Chi squared,
fishers exact, McNemar (paired samples)
What is minimum number of subjects for Chi Squared test? - ANSWER- >40
What type of statistical tests are preferred for ordinal data? - ANSWER- Mann Whitney
U, Wilcoxon rank sum, Wilcoxon signed rank (paired samples)
What type of statistical tests are preferred for continuous data? - ANSWER- Mann
Whitney U (median), Student t-test (2 groups mean), paired t-test (paired data), ANOVA
(if 3+ groups), Cox proportional hazard
Should you stop beta-blockers when patient presents to inpatient for HF exacerbation? -
, ANSWER- NO (exceptions: cardiogenic shock, refractory volume overload, and
symptomatic bradycardia)
What is minimum intervals between beta blocker titration in HF? - ANSWER- 2 weeks
What is the goal digoxin dose in HF? (in units of ng/mL) - ANSWER- 0.5-0.8 or 0.9
What is IV:PO equivalents for loop diretics? - ANSWER- bumetanide 1:1, torsemide 1:1,
furosemide 1:2
What are equivalent dose of PO loop diuretics? - ANSWER- bumetanide 1 mg =
torsemide 20 mg = furosemide 40 mg
What are typical doses of digoxin used in HF? - ANSWER- 125-250 mcg/day
What acronym should be explained to patients on s/s of heart failure? - ANSWER-
FACES= fatigue, activities limited, congestion, edema, shortness of breath
Which medications commonly used in HF have mortality data? - ANSWER- ACE-I (or
ARB if not taking ACE-I), beta blocker, aldosterone antagonist (hydralazine + isosorbide
dinitrate in African Americans)
What was the name of the study that showed mortality benefits with aldosterone
antagonists? - ANSWER- EMPHASIS-HF
What are prerequisites for using aldosterone antagonists in HF? - ANSWER- NYHA
class II-IV, LVEF <35%, SCr <2.5 (men) or 2 (women) or eGFR >30, and K <5
What are the goal doses of beta blockers used in HF? - ANSWER- bisoprolol 10 mg
daily, carvedilol 25 mg BID if <85 kg or 50 mg BID if >85 kg, metoprolol succinate 200
mg daily
In heart failure, when should you stop an aldosterone antagonist? Based on K -
ANSWER- Once K is > 6, (but can just) decrease dose by 50% if K 5-5.5
What is the target dose of ace-inhibitors in HF for captopril? - ANSWER- 50 mg TID
What is the target dose of ace-inhibitors in HF for enalapril? - ANSWER- 10 mg BID
What is the target dose of ace-inhibitors in HF for fosinopril? - ANSWER- 40 mg daily