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Sensitivity and Specificity

SnNOUT (Rules out 60%). Sensitivity and Specificity. GOLD STANDARD. Sensitivity is True positives 60 Total CAD 100. TEST. Specificity is True Negatives 240 Total No CAD 300. SpPIN (Confirms 80%).

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Sensitivity and Specificity

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  1. SnNOUT (Rules out 60%) Sensitivity and Specificity GOLD STANDARD Sensitivity is True positives 60 Total CAD 100 TEST Specificity is True Negatives 240 Total No CAD 300 SpPIN (Confirms 80%)

  2. Indications of Exercise Test

  3. Pre Test Probability of CAD by Symptoms, Gender and Age

  4. CAD Testing Algorithm Use a computer model or Use the probability table

  5. Testing Algorithm contd..

  6. Absolute contra indications for ETT • Acute myocardial infarction (within 2 days) • High-risk unstable angina • Uncontrolled cardiac arrhythmias • Symptomatic severe aortic stenosis • Uncontrolled symptomatic heart failure • Acute pulmonary embolus or pulmonary infarction • Acute myocarditis or pericarditis • Acute aortic dissection Indications to terminate ETT • Drop in SBP of >10 mm Hg from baseline BP with accompanying evidence of ischemia • Moderate to severe angina • Nervousness, ataxia, dizziness • Poor perfusion - cyanosis or pallor • Difficulty in monitoring ECG /SBP • Subject’s desire to stop; • Sustained ventricular tachycardia • ST elevation (≥1.0 mm)

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