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==Prevalence of ECG abnormalities in atheletes==
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==Prevalence of ECG abnormalities in athletes==
 
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|+'''Table 3: Prevalence of ECG abnormalities in an unselected population of 32 652 young individuals undergoing the pre-participation cardiovascular screening'''
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|colspan="2"|+Table 3: Prevalence of ECG abnormalities in an unselected population of 32 652 young individuals undergoing the pre-participation cardiovascular screening
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| align="left" valign="top" | ECG abnormalities
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! ECG abnormalities
 
| align="left" valign="top" | Athletes, ''n'' (%)
 
| align="left" valign="top" | Athletes, ''n'' (%)
 
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|-
| colspan="2" |
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! Negative T-waves in precordial/standard leads
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| align="left" valign="top" | Negative T-waves in precordial/standard leads
   
| align="left" valign="top" | 751 (2.3)
 
| align="left" valign="top" | 751 (2.3)
 
|-
 
|-
| align="left" valign="top" | RBBB
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! RBBB
 
| align="left" valign="top" | 351 (1.0)
 
| align="left" valign="top" | 351 (1.0)
 
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|-
| align="left" valign="top" | Increased R/S wave voltages (suggestive of LVH)
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! Increased R/S wave voltages (suggestive of LVH)
 
| align="left" valign="top" | 247 (0.8)
 
| align="left" valign="top" | 247 (0.8)
 
|-
 
|-
| align="left" valign="top" | Left anterior fascicular block
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! Left anterior fascicular block
 
| align="left" valign="top" | 162 (0.5)
 
| align="left" valign="top" | 162 (0.5)
 
|-
 
|-
| align="left" valign="top" | Pre-excitation pattern
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! Pre-excitation pattern
 
| align="left" valign="top" | 42 (0.1)
 
| align="left" valign="top" | 42 (0.1)
 
|-
 
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| align="left" valign="top" | LBBB
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! LBBB
 
| align="left" valign="top" | 19 (0.1)
 
| align="left" valign="top" | 19 (0.1)
 
|-
 
|-
| align="left" valign="top" | Prolonged corrected QT interval
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! Prolonged corrected QT interval
 
| align="left" valign="top" | 1 (0.003)
 
| align="left" valign="top" | 1 (0.003)
 
|-
 
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| align="left" valign="top" | Others (incomplete RBBB, prolonged PR interval, early repolarization pattern)
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! Others (incomplete RBBB, prolonged PR interval, early repolarization pattern)
 
| align="left" valign="top" | 2280 (7.0)
 
| align="left" valign="top" | 2280 (7.0)
 
|-
 
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| align="left" valign="top" | Total
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! Total
 
| align="left" valign="top" | 3853 (11.8)
 
| align="left" valign="top" | 3853 (11.8)
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|-
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| colspan="2" style="text-align:left;"  font-size="80%"|
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RBBB, right bundle branch block; LVH, left ventricular hypertrophy; LBBB, left bundle branch block.<cite>Pellicia</cite>
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RBBB, right bundle branch block; LVH, left ventricular hypertrophy; LBBB, left bundle branch block.
      
==References==
 
==References==
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