QRS amplitude - cardioegypt2011

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1-Total <strong>QRS</strong> duration o <strong>QRS</strong> more than 198 ms has 86% specificity and 69% sensitivity for epicardial origin of VT. R&M Solutions www.rmsolutions.net
2-Pseudo delta wave o Earliest ventricular actiavation to the fastest delection an any precordial lead o Pdw >34 ms has 80% sensitivity and specificty R&M Solutions www.rmsolutions.net
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R&M Solutions www.rmsolutions.net
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Disclosures None R&M Solutions www.
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Cardiologist ( c/p , number ,drugs)
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Another example R&M Solutions www.r
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VT or not ? R&M Solutions www.rmsol
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ECG differentiation R&M Solutions w
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Negative concordance R&M Solutions
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Limb lead concordance o The presenc
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QRS Axis o LBBB with RAD is almost
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Precordial RS absent (Brugada) Crit
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Page 31 and 32: Idea about the mechanism and possib
Page 33 and 34: R&M Solutions www.rmsolutions.net
Page 39 and 40: Another example R&M Solutions www.r
Page 41 and 42: Localize or regionalize the focus o
Page 43 and 44: As a general role o ECG can pin poi
Page 45 and 46: o Outflow tract VT originate from a
Page 49 and 50: VT from pulmonary artery No definit
Page 53 and 54: ECG Features R&M Solutions www.rmso
Page 55 and 56: Ischemic VT R&M Solutions www.rmsol
Page 57 and 58: Basic roles in post MI VTs o Almost
Page 59 and 60: Inferior infarction VT o Activation
Page 61 and 62: Anterior infarction VT o The situat
Page 63 and 64: Limitations R&M Solutions www.rmsol
Page 65 and 66: Continue…Limitations o Effect of
Page 67 and 68: QRS initial forces o Rapid initial
Page 69 and 70: QRS width o Free wall VTs > Septal
Page 71 and 72: QRS frontal plane axis o Superior a
Page 77 and 78: Endocardial or Epicardial VT ? Can
Page 79 and 80: What is epicardial VT ? o VTs in wh
Page 81: Suggested ECG criteria R&M Solution
Page 85 and 86: 4-RS duration o RS from the earlies
Page 91 and 92: Again….Remember o Even with the p
Page 93 and 94: ECG…nothing specific R&M Solution
Page 95 and 96: BBR VT o More common in patients wi
Page 97 and 98: VT involving the left purkinje syst
Page 101 and 102: What can, and what can't ECG tell u
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QRS amplitude - cardioegypt2011

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