Hallpike Maneuver to Differentiate causes of Positional Vertigo

Positional vertigo gets triggered by a certain critical position of head of the patient. It can be caused by a pathology of central or peripheral component of the vestibular system and nerves. It’s of utmost importance to find out the site of lesion to initiate proper treatment. Hallpike maneuver or Dix-Hallpike maneuver helps to differentiate […]


Systemic Examination of Respiratory System

This article is an exam-oriented discussion for medical students. This is a flowchart showing only the salient points to remember during performing a systemic examination of the respiratory system. Please Note: I only presented the systemic examination part. General examination should also be included when doing a complete physical examination. I shall later post another article on the general examination. Actually the […]

Medical Microbiology Medicine Microbiology Articles Zoology

Why do viruses often come from bats? A discussion with your friendly neighborhood virologist

Hello everyone! I’m /u/_Shibboleth_ and I’m a Virologist/Immunologist. The 4.5 years I spent getting a PhD were dedicated to studying antibody responses against emerging viruses like Ebola and Marburg. So you can imagine how much time I’ve spent thinking about bats. Here are some answers about why they always seem to be the culprit when it comes […]