ECG (main): Difference between revisions

No edit summary
No edit summary
Line 1: Line 1:
== General ==
*1 small box = 1mm = 0.04 sec = 40 miliseconds
*5 small boxes = 1 big box = 5mm = 0.2 sec = 200 miliseconds
*Entire ECG strip is ~10 seconds
==Rhythms==
*[[Arrhythmias]]
== Intervals  ==
{| style="width: 318px; height: 87px" cellspacing="1" cellpadding="1" border="1"
|-
| Interval
| Time (s)
| Boxes
|-
| PR
| 0.12 - 0.20
| 3-5
|-
| QRS
| .06 - 0.10
| 1.5-2.5
|-
| QTc
| <0.44
| N/A
|}
==Segments==
*[[ST Elevation]]
*[[ST Depression]]
*[[QT Prolongation]]
==Axis==
*Cannot be measured if BBBs are present
*If up in leads 1 and AVF then normal axis
==Waves==
*[[Q Waves]]
*[[T Waves]]
==Hypertrophy/Enlargement==
*[[RAE]]
*[[LAE]]
*[[LVH]]
*[[RVH]]
==Blocks==
*[[RBBB]]
*[[LBBB]]
*[[LAFB]]
*[[LPFB]]
== [[Low ECG Voltage]] ==
==See Also==
*[[ACS - ECG]]
*[[ACS - ECG]]
*[[ECG Basics]]
*[[ECGs by Diagnosis]]
*[[ECGs by Diagnosis]]
*[[ST Segment Elevation]]
*[[ST Segment Elevation]]
Line 6: Line 61:
*[[Arrhythmias (DDX)]]
*[[Arrhythmias (DDX)]]
*[[QT Prolongation]]
*[[QT Prolongation]]
== Source ==
*Adapted from Niemann, Lampe, Pani, Donaldson, ECGpedia.org
*Journal of Electrocardiology. Vol 43 (2010). 40-42.


[[Category:Cards]]
[[Category:Cards]]

Revision as of 06:13, 5 February 2014

General

  • 1 small box = 1mm = 0.04 sec = 40 miliseconds
  • 5 small boxes = 1 big box = 5mm = 0.2 sec = 200 miliseconds
  • Entire ECG strip is ~10 seconds

Rhythms

Intervals

Interval Time (s) Boxes
PR 0.12 - 0.20 3-5
QRS .06 - 0.10 1.5-2.5
QTc <0.44 N/A

Segments

Axis

  • Cannot be measured if BBBs are present
  • If up in leads 1 and AVF then normal axis

Waves

Hypertrophy/Enlargement

Blocks

Low ECG Voltage

See Also

Source

  • Adapted from Niemann, Lampe, Pani, Donaldson, ECGpedia.org
  • Journal of Electrocardiology. Vol 43 (2010). 40-42.