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eWellness: Predicting sudden cardiac death |
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eWellness: Predicting sudden cardiac death
Dr KK Aggarwal,  11 November 2018
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  1. Normally people can walk a distance of 400–700 meters in 6 minutes.
  2. A 6-minute walking distance of less than 300 meter is a simple and useful predictor of sudden cardiac death in patient with mild to moderate heart failure.
  3. Patient with interstitial lung disease who can cover less than 200 meters during 6 minute walk test are 4 times more likely to die than those who can walk greater distance.
  4. People who can cover a distance of 200–300 meters need further evaluation.
  5. A fall of SpO2 of more than 4% ending below 93% suggests significant desaturation.
  6. An improvement of more than 70 meters or 10% in distance walk can make all the difference.
  7. An improvement of 30 meters in any distance walked is the minimally important difference in any treatment.
  8. Sudden cardiac death is linked to 15% of total urban mortality.
  9. Risk factors for sudden cardiac death include abnormal lipid level, high blood pressure, cigarette smoking physical inactivity, diabetic, obesity and family history of pre–mature heart disease or heart attack.
  10. Binge alcoholism can cause sudden cardiac death (6 or more drinks per day or five drinks in one session)
  11. Risk of sudden cardiac arrest is transiently increased during for up to 30 minutes after strenuous exercise (1/1.5 million of episode of exercise)
  12. If you are at low risk for having a heart problem, you do not need a regular treadmill test.
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