During your physical assessment of a patient post-car accide…
During your physical assessment of a patient post-car accident you find severe weakness in the their SCM (sternocleidomastoid) muscles of the neck and trapezius muscles of the shoulders. Which CN are you concerned damage has occurred to?
Read DetailsPhotons (light particles) are converted in the photoreceptor…
Photons (light particles) are converted in the photoreceptor cells of the retina to electrochemical information in the form of action potentials. This “data” is not only sent directly to the lateral geniculate nucleus in the thalamus to then be relayed to the visual cortex, but is also sent directly to the _________________ which specifically regulate various ocular reflexes.
Read DetailsUnfortunately, when it comes to illicit drug overdose, toxid…
Unfortunately, when it comes to illicit drug overdose, toxidrome (toxic syndrome) clinical presentation is imperfect and complex synergistic symptoms from multiple co-ingested/co-injected/co-inhaled substances can overlap, clouding the clinical picture. In addition, sympathomimetic and parasympathomimetic drugs not only affect adrenergic and cholinergic diffuse modulatory systems but also dopaminergic and serotonergic diffuse modulatory systems as well as opioid receptors if opiates are on board. A good example of a challenging diagnostic case like this would be a patient that decided to mix the following opposing substances (hint: pick the 2 that have opposite effects on the body in terms of their mechanisms of action and/or drug category):
Read Details