This paper demonstrated a significant difference between Emergency Physicians' perception of CHF severity and severity determined by Brain Naturietic Peptide (BNP) levels. They also demonstrated a significant difference in outcomes (mortality and readmission) between mild and severe CHF as determined by BNP levels.
These 2 articles showed that CPR is not often performed per protocol. They stop short of showing that the quality of CPR affects pt outcomes, but this is strongly implied.
In Hospital CPR
JAMA. 2005;293:305-310. (Link)
Out of Hosptial CPR
JAMA. 2005;293:299-304. (Link)
The landmark article describing the "Pill-in-the-Pocket" approach to recurrent Atrial Fibrillation. They conclude:
"In a selected, risk-stratified population of patients with recurrent atrial fibrillation, pill-in-the-pocket treatment is feasible and safe, with a high rate of compliance by patients, a low rate of adverse events, and a marked reduction in emergency room visits and hospital admissions."