Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Conclusiveness of echocardiographic examination according to referral question: the diagnostic accuracy of the HHD seems to be affected by the type of referral question. HHD showed a good reliability in the examination of patients referred for arterial hypertension or palpitations, but was less accurate for those who presented dyspnoea or chest pain, as a result of biases in the measurements of wall thicknesses, and in the assessment of valvular diseases and regional wall motion.
