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27 Cards in this Set

  • Front
  • Back
Seizure
abnormal excessive or synchronous neuronal activity in the brain. Pt presents w/ involuntary changes in awareness/behavior
Partial Seizure
Seizure that originates in a localized part of the cerebral cortex, that involves motor, sensory, autonomic, or psychic symptoms. May or may not progress to a generalized seizure
Generalized Seizure
seizure (as an absence seizure or tonic-clonic seizure) that originates in both cerebral hemispheres
Absence Seizure (Petit Mal)
a nonconvulsive generalized seizure marked by the transient impairment or loss of consciousness usually with a blank stare, that begins and ends abruptly and is usually unremembered afterward. **decline in school performance may be clue
Simple Seizure
consciousness is not impaired; may have tingling, visual changes, focal motor or autonomic sx
Complex Seizure
consciousness is impaired
Tonic Clonic Seizure (Grand Mal)
generalized seizure that is initially tonic and then becomes clonic and is characterized by the abrupt loss of consciousness
Tonic phase
abrupt LOC following epileptic cry; muscles tense, pt falls
Clonic phase
dramatic muscle contraction/relaxation
Epilepsy
group of disorders marked by abnormal electrical discharges in the brain and typically manifested by sudden brief episodes of altered or diminished consciousness, involuntary movements, or convulsions
Temporal Lobe Epilepsy
partial seizures that originate in the temporal lobe and are marked by impairment of consciousness, automatisms, unusual changes in behavior, and hallucinations (as of odors)
Lennox-Gastraut Syndrome
seen in kids 2-18; variety of generalized seizures, developmental delay
juvenile myoclonic epilepsy
otherwise healthy teen/young adult has myoclonic jerks early in am. Triggered by sleep deprivation. Need lifelong AED, avoidance of triggers
epilepsy demographics
most common in kids 0-14 (genetics, congenital anomaly, trauma, neoplasm), risk decreases until age 60 (vascular dz, neoplasm, trauma, infection, neurodegeneration)
Status Epilepticus
Seizure lasting > 30 minutes. The seizure may be continuous or intermittent without recovery of consciousness between episodes. Neurological emergency with a mortality rate greater than 20%.
Syncopy
Transient LOC and postural tone for few seconds to few minutes with prompt recovery
vasodepressor syncopy
due to excessive vagal tone or impaired reflex ctl of peripheral circ. Most common type. Initiated by stress,. Premonitory nausea, sweating, pallor, tachycardia
dx vasodepressor
characteristic hx is present, carotid sinus massage or tilt table test
Orthostatic
due to impaired vasoconstrictive response to upright posture >> abrupt decrease in venous return.
who gets orthostatic syncopy
advanced age, DM, hypovolemia, vasodilator/diuretic/adrenergic blocker therapy
dx orthostatic
>20mm Hg dip in BP on standing, tilt table/valsalva are dx
cardiogenic
due to rhythm disturbances like sick sinus syndrome, AV block or aortic/pulmonic stenosis. Often exertional
cardiogenic dx
echo to r/o mechanical cause; EEG monitor
making diagnoses in general
cause not always found; do tilt table test before invasive studies
treating vasodepressor
avoid inciter, lie down, beta blocker
treating orthostatic
stop offending drug, stand up slowly,
treating cardiogenic
treat underlying issue; permanent pacer or implantable ICD