Low lead impedance
< 200 ohms
Indicate insulation breach
Usually inner insulation in a bipolar coaxial lead
High lead impedance
> 2000 ohms
Indicate open circuit
Lead fracture or loose set screw
Creating echo boards prep Whatsapp group and general cardiology boards prep Whatsapp group. Please email medicowesome@gmail.com for details :)
Why is the pressure gradient in mitral stenosis heart rate dependent? Why is the pressure gradient in aortic stenosis heart rate dependent?
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Vascular access during cardiac catheterization (in cases of myocardial infarction, for example) obtained through femoral artery above the level of inguinal ligament may lead to retroperitoneal hematoma due to arterial puncture.
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DRESS syndrome and Dressler's syndrome - what's in the name?
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Diagnosis of ARF and RHD based on modified Jones' criteria - let's review: