Hypertension (HTN) and prehypertension (pre-HTN) have been identified as independent
risk factors for adverse cardiovascular events. Recently, increased psychosocial stress and …

Heart disease remains the leading cause of death globally. Heart failure (HF) is a clinical
syndrome that results from impairment of the ability of the ventricle to fill with or eject blood …

Introduction Hypothyroidism may be associated with changes in the autonomic regulation of
the cardiovascular system, which may have clinical implications. Objective To conduct a …

Measures of heart rate variability (HRV) are major indices of the sympathovagal balance in
cardiovascular research. These measures are thought to reflect complex patterns of brain …

Abstract Purpose of Review The purpose of this review is to provide an update on the
current knowledge of the pathophysiology, the mechanisms, and the cardiovascular impact …

Objective: Cardiovascular effects of thyroid hormones may be measured through heart rate
variability (HRV). We sought to determine the impact of hyperthyroidism on HRV. Design: A …

Background: Autonomic dysfunction may contribute to cardiovascular morbidity in
subclinical hypothyroid patients. It is controversial whether the abnormality exists in …

Background: Cardiac autonomic dysfunction may develop in patients with clinical or
subclinical thyroid hormone deficiency. Heart rate variability (HRV) and heart rate turbulence …

Background: Cardiovascular morbidities have been reported in hypothyroidism. Aims: The
objective of this study is to investigate the link of sympathovagal imbalance (SVI) to …

Objectives We aimed to determine the effect of propanolol on heart rate variability (HRV) in
hyperthyroidism before antithyroid treatment. This was a before and after study, on ten …