MB 1 quick facts Flashcards
sx of damage to cerebellar hemisphere
ipsilateral limb ataxia, dysdiadochokinesia, intention tremor, and other cerebellar signs
which inhaled anesthetic is more likely to produce central nervous system excitation and seizure activity compared to others?
enflurane
hypokalemia sx
muscle weakness and cramping, usually beginning in the distal lower extremities
histological appearance of de-inervation atrophy of skeletal muscle
mall muscle fibers with decreased cross-sectional area, which are angulated or triangular
MOA of cyproheptadine
antagonism of 5HT2 receptors in tx of serotonin syndrome
anticholinergic side effects
constipation, hot, tachycardia
risk factors for intracranial aneurysm
- Atherosclerotic disease
- Arteriovenous malformations (AVMs)
- Adult polycystic kidney disease
- Connective tissue disease
hypercalcemia sx
fatigue, anorexia, nausea, vomiting, constipation, increased urination, and dehydration
which inhaled anesthetic can cause malignant hyperthermia?
halothane
flumazenil
competitive antagonist at the benzodiazepine-binding site on the GABA receptor, tx for benzo OD
lesion in amygdala
Klüver-Bucy syndrome, characterized by apathy and increased oral and sexual activity
what is the “washout” period of SSRIs?
must wait at least 2 weeks before switching SSRI to MAOi
shorthand for γ-aminobutyric acid
GABA
dorsal column and dorsal roots
tabes dorsalis
TCA toxicity tx
sodiumbicarb
ACEi toxicity tx
atropine
causes of hypokalemia
thiazide diuretics
what puts you at risk of Vit B12 deficiency?
history of ileal resection, vegan, gastric bypass, pernicious anemia
side effects of TCAs?
sedation, α-blocking effects and, most commonly, anticholinergic effects )dry mouth, blurry vision, tachycardia, urinary retention, constipation, confusion, and dry, hot skin)
what are the symptoms of VB12 deficiency?
degeneration of neurons and myelin in the dorsal columns, lateral corticospinal tracts, and spinocerebellar tracts
precentral gyrus, and lateral corticospinal tract
ALS
SNRI side-effects
adverse effects similar to those of selective serotonin reuptake inhibitors plus additional adverse effects due to the norepinephrine, such as dizziness and diaphoresis
digitalis toxicity tx
anti-dig Fab fragments
acetaminophen toxicity tx
N-acetylcysteine to replenish glutathione
medial longitudinal fasciculus and periventricular white matter area
MS
causes of hypercalcemia
thiazide diuretics
