Nr 603-Week 1 Exam - Dizziness Questions And Answers

Lightheadedness is usually accompanied by {Ans: diaphoresis apprehension nausea and in extreme cases "an actual transient blackout with diminished vision but with persisting vague awareness of ones surroundings}causes of lightheadedness, syncope or presyncope include {Ans: orthostatic hypotension vasovagal episodes hyperventilation decreased cardiac output}how do you differentiate the type of dizziness being described {Ans: a thorough history}Central causes of vertigo {Ans: brainstem or cerebellar ischemia or hemorrhage tumors multiple sclerosis migrainous syndrome}Neurologic exam of someone who complains of dizziness includes: {Ans: Cranial nerves focusing on visual acuity, eye movements and nystagmus motor examination should focus on evaluation of power, muscle tone, coordination, and deep tendon reflexes Sensory examination should focus on basic vision and hearing Gait and balance includes evaluation of stride, arm swing, tandem gait with eyes open and closed and RHOMBERG SIGN Otologic evaluation includes RINNE and WEBER tests}Presyncopal lightheaddedness is often referred to as {Ans: a sense of wooziness or impending faint}