ECG axis: Difference between revisions

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(Added graphics for axes, limb and precordial leads)
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*If up in leads 1 and AVF then normal axis
*If up in leads 1 and AVF then normal axis
[[File:ECG-Axis.png|thumb|ECG Axis]]
[[File:Axes.png|thumb|ECG Axis]]
[[File:Limb_leads.png|thumb|Limb and augmented leads]]
[[File:Precordial_leads.png|thumb|Precordial leads]]
==Right Axis Deviation==
==Right Axis Deviation==


Revision as of 04:38, 5 June 2015

  • If up in leads 1 and AVF then normal axis
ECG Axis
Limb and augmented leads
Precordial leads

Right Axis Deviation

Causes
  1. Right ventricular hypertrophy
  2. Pulmonary HTN - Acute (PE) & chronic lung disease (COPD)
  3. Left posterior fascicular block
  4. Lateral MI (from Q-waves in lead I)
  5. Ventricular ectopy (VT)
  6. Hyperkalemia
  7. Lead misplacement
  8. Dextrocardia
  9. Normal thin adults with horizontally positioned hearts​

Left Axis Deviation

Causes
  1. Left anterior fascicular block
  2. Left Bundle Branch Block
  3. Inferior MI
  4. Left Ventricular Hypertrophy

See Also

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