Low ECG voltage: Difference between revisions
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==Differential Diagnosis== | ==Differential Diagnosis== | ||
[[ | ===[[Low ECG voltage]]=== | ||
==== Cardiac ==== | |||
=== Cardiac === | *Post-[[MI]] | ||
*Post-MI | *[[Infiltrative cardiomyopathy]] | ||
*Infiltrative cardiomyopathy | *[[Myocarditis]] | ||
*Myocarditis | *[[Hypothyroidism]] | ||
*Hypothyroidism | |||
=== Pericardial === | ==== Pericardial ==== | ||
*Effusion | *[[Pericardial effusion|Effusion]] | ||
*Constrictive pericarditis | *Constrictive [[pericarditis]] | ||
*Pneumopericardium | *Pneumopericardium | ||
=== Extracardiac === | |||
*COPD (limb leads) | ==== Extracardiac ==== | ||
*Pneumomediastinum | *[[COPD]] (limb leads) | ||
*Pneumothorax | *[[Pneumomediastinum]] | ||
*Pleural effusion | *[[Pneumothorax]] | ||
*Pulmonary edema | *[[Pleural effusion]] | ||
*Peripheral edema | *[[Pulmonary edema]] | ||
*[[Peripheral edema]] | |||
*Obesity | *Obesity | ||
Revision as of 13:45, 5 June 2016
Background
General Causes
- Fluid, fat or air attenuating signal
- Myocardial infiltration
- Loss of viable myocardium
Clinical Features
- Frequently asymptomatic, depends on underlying cause
Differential Diagnosis
Low ECG voltage
Cardiac
Pericardial
- Effusion
- Constrictive pericarditis
- Pneumopericardium
Extracardiac
- COPD (limb leads)
- Pneumomediastinum
- Pneumothorax
- Pleural effusion
- Pulmonary edema
- Peripheral edema
- Obesity
Diagnosis
Management
- Treat underlying condition
Disposition
- Depends on underlying condition
See Also
References
- ↑ Madias JE. Low QRS voltage and its causes. J Electrocardiol. 2008;41(6):498–500. doi:10.1016/j.jelectrocard.2008.06.021