BLOOD ALCOHOL CONCENTRATION (BAC) LIMITS

Blood alcohol concentration is also called blood alcohol content. It is illegal in California to drive with a blood alcohol content (BAC) of 0.08% or more (0.04% for commercial vehicle drivers) and 0.01% or higher if under 21. It is illegal for any person to operate a...

Tympanic membrane perforation

#Tympanic membrane perforation, in children -Most common cause of perforation is 2/2 to otitis media leading to increased pressure buildup in the middle ear and perforation. May also occur 2/2 to trauma – Direct trauma to the ear, injury from cleaning or another...

COPD Staging by GOLD Guidelines

The new GOLD Guidelines uses the following four parameters to assess disease severity: Lung function (or airflow limitation) Symptoms Severity Exacerbation history / risk of exacerbation Comorbidities present The old GOLD guidelines used the FEV1 to stage disease...

Causes of Syncope

Reflex (neurally mediated) syncope: This includes Vasovagal (mediated by orthostatic or emotional stress), situational (e.g. cough, sneeze, micturition, post-exercise, post-prandial), Carotid sinus, etc. Orthostatic syncope: Primary autonomic (pure autonomic,...