Sleep duration and its correlates in a sample of Saudi elementary school children.

INTRODUCTION: This study was conducted to estimate sleep duration in Saudi elementary school children, sleep habits and practices that may affect it, and compare our results to published data in other societies. METHODS:...

Electrocardiography series. ECG delta waves in patients with palpitation.

It is important to recognise Wolff-Parkinson-White (WPW) syndrome in electrocardiograms (ECG), as it may mimic ischaemic heart disease, ventricular hypertrophy and bundle branch block. In addition, ECG can aid in the loc...

Autoimmune thyroiditis and delayed onset psoriasis in association with combination therapy for chronic hepatitis C infection.

A combination of pegylated interferon and ribavarin is currently the gold standard for the treatment of chronic hepatitis C infection. Interferon therapy can lead to the development of an autoimmune phenomenon that can b...

New clinical sign of cervical myelopathy: Wazir hand myelopathy sign.

Cervical spondylotic myelopathy (CSM) represents a spectrum of pathologies with progressive compression of the spinal cord. The clinical signs and symptoms play a key role in diagnosis. The characteristic hand myelopathy...

Emil von Behring (1854-1917): Medicine's first Nobel laureate.