گیجی و سرگیجه

گیجی و سرگیجه

اسلاید 1: Dizziness & vertigo

اسلاید 2: DefinitionDizziness is a term used to describe a range of sensations, such as feeling faint, woozy, weak or unsteady. Dizziness that creates the false sense that you or your surroundings are spinning or moving is called vertigo. ... Frequent dizzy spells or constant dizziness can significantly affect your life.

اسلاید 3: Symptoms People experiencing dizziness may describe it as any of a number of sensations, such as:A false sense of motion or spinning (vertigo)Lightheadedness or feeling faintUnsteadiness or a loss of balanceA feeling of floating, wooziness or heavy-headedness These feelings may be triggered or worsened by walking, standing up or moving your head. dizziness may accompanied by nausea or be so sudden or severe that you need to sit or lie down. The episode may last seconds or days and may recur.

اسلاید 4: Epidemiology One of the most common principal complaintsA recent population-based telephone survey in Germany showed nearly 30% of the population had experienced moderate to severe dizziness. Though most subjects reported nonspecific forms of dizziness, nearly a quarter had true vertigoDizziness is more common among females and older people

اسلاید 5: When to see a doctorGenerally, see your doctor if you experience any recurrent, sudden, severe, or prolonged and unexplained dizziness or vertigo.Get emergency medical care if you experience new, severe dizziness or vertigo along with any of the following:

اسلاید 6: Sudden, severe headacheChest painDifficulty breathingNumbness or paralysis of arms or legsFaintingDouble visionRapid or irregular heartbeatConfusion or slurred speechStumbling or difficulty walkingOngoing vomitingSeizuresA sudden change in hearingFacial numbness or weakness

اسلاید 7: Causes Dizziness has many possible causes, including inner ear disturbance, motion sickness and medication effects. Sometimes its caused by an underlying health condition, such as poor circulation, infection or injury.

اسلاید 8: Inner ear problems that cause dizziness (vertigo)The sense of balance depends on the combined input from the various parts of y sensory system. These include :Eyes, which help you determine where your body is in space and how its movingSensory nerves, which send messages to your brain about body movements and positionsInner ear, which houses sensors that help detect gravity and back-and-forth motion

اسلاید 9: Vertigo is the false sense that your surroundings are spinning or moving. With inner ear disorders, your brain receives signals from the inner ear that arent consistent with what your eyes and sensory nerves are receiving. Vertigo is what results as your brain works to sort out the confusion.

اسلاید 10: Benign paroxysmal positional vertigo (BPPV) This condition causes an intense and brief but false sense that youre spinning or moving. These episodes are triggered by a rapid change in head movement, such as when you turn over in bed, sit up or experience a blow to the head. BPPV is the most common cause of vertigo.

اسلاید 11: Infection A viral infection of the vestibular nerve, called vestibular neuritis, can cause intense, constant vertigo. If you also have sudden hearing loss, you may have labyrinthitis.

اسلاید 12: Menieres disease This disease involves the excessive buildup of fluid in your inner ear. Its characterized by sudden episodes of vertigo lasting as long as several hours. You may also experience fluctuating hearing loss, ringing in the ear and the feeling of a plugged ear.

اسلاید 13: Migraine People who experience migraines may have episodes of vertigo or other types of dizziness even when theyre not having a severe headache. Such vertigo episodes can last minutes to hours and may be associated with headache as well as light and noise sensitivity.

اسلاید 14: Circulation problems that cause dizzinessYou may feel dizzy, faint or off balance if your heart isnt pumping enough blood to your brain. Causes include:Drop in blood pressure. A dramatic drop in your systolic blood pressure — the higher number in your blood pressure reading — may result in brief lightheadedness or a feeling of faintness. It can occur after sitting up or standing too quickly. This condition is also called orthostatic hypotension.Poor blood circulation. Conditions such as cardiomyopathy, heart attack, heart arrhythmia and transient ischemic attack could cause dizziness. And a decrease in blood volume may cause inadequate blood flow to your brain or inner ear.

اسلاید 15: Other causes of dizziness Neurological conditions. Some neurological disorders — such as Parkinsons disease and multiple sclerosis — can lead to progressive loss of balance.Medications. Dizziness can be a side effect of certain medications — such as anti-seizure drugs, antidepressants, sedatives and tranquilizers. In particular, blood pressure lowering medications may cause faintness if they lower your blood pressure too much.Anxiety disorders. Certain anxiety disorders may cause lightheadedness or a woozy feeling often referred to as dizziness. These include panic attacks and a fear of leaving home or being in large, open spaces (agoraphobia).

اسلاید 16: Low iron levels (anemia). Other signs and symptoms that may occur along with dizziness if you have anemia include fatigue, weakness and pale skin.Low blood sugar (hypoglycemia). This condition generally occurs in people with diabetes who use insulin. Dizziness (lightheadedness) may be accompanied by sweating and anxiety.Overheating and dehydration. If youre active in hot weather or if you dont drink enough fluids, you may feel dizzy from overheating (hyperthermia) or from dehydration. This is especially true if you take certain heart medications

اسلاید 17: Risk factors Factors that may increase your risk of getting dizzy include:Age Older adults are more likely to have medical conditions that cause dizziness, especially a sense of imbalance. Theyre also more likely to take medications that can cause dizziness.A past episode of dizziness. If youve experienced dizziness before, youre more likely to get dizzy in the future.

اسلاید 18: Complications Dizziness can increase your risk of falling and injuring yourself. Experiencing dizziness while driving a car or operating heavy machinery can increase the likelihood of an accident. You may also experience long-term consequences if an existing health condition that may be causing your dizziness goes untreated.