Notes in ECG

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Published 01/10/2024 Pathway of an electrical signal through the heart
Published 01/10/2024 What are the limb leads?
Published 01/10/2024 What are the precordial leads?
Published 01/10/2024 {{c1::Bipolar leads}} register the voltage between two electrodes
Published 01/10/2024 {{c1::Unipolar leads}} register activity in the heart which is directed {{c2::towards the electrode}}.
Published 01/10/2024 {{c2::Positive (upward deflections)}} are caused by {{c1::depolarization towards a lead}} and {{c1::repolarization away from a lead}}
Published 01/10/2024 {{c2::Negative (downward deflections)}} are caused by {{c1::depolarization away from a lead}} and {{c1::repolarization towards a lead}}
Published 01/10/2024 Each {{c2::small box}} on an ECG is {{c1::0.04}} seconds, each {{c2::large box}} on an ECG is {{c1::0.2}} seconds, each {{c2::rhythym strip}} on an EC…
Published 01/10/2024 Methods of measuring heart rate from ECG
Published 01/10/2024 Sinus rhythm requirements
Published 01/10/2024 What are non-sinus rhythms
Published 01/10/2024 Characteristics of left atrial rhythm
Published 01/10/2024 Characteristics of low right atrial rhythm
Published 01/10/2024 Characteristics of left-axis deviation
Published 01/10/2024 Characteristics for right-axis deviation
Published 01/10/2024 What is the PR interval?
Published 01/10/2024 First degree heart block
Published 01/10/2024 Second degree heart block, Wenkebach
Published 01/10/2024 Second degree heart block, Mobitz Type 2
Published 01/10/2024 Third degree heart block
Published 01/10/2024 Common causes of heart block
Published 01/10/2024 What is the QRS complex?
Published 01/10/2024 Length of normal QRS complex
Published 01/10/2024 {{c2::Right bundle branch}} occurs when the {{c1::right ventricle}} contracts after the {{c1::left ventricle}}
Published 01/10/2024 {{c2::Left bundle branch}} occurs when the {{c1::left ventricle}} contracts after the {{c1::right ventricle}}
Published 01/10/2024 What can cause QRS prolongation?
Published 01/10/2024 Characteristics of left bundle branch blockage
Published 01/10/2024 Characteristics of right bundle branch blockage
Published 01/10/2024 What is the QT interval?
Published 01/10/2024 What are common causes of a long QT?
Published 01/10/2024 What is torsades de pointes?
Published 01/10/2024 Characteristics of left ventricular hypertrophy on ECG
Published 01/10/2024 What are common causes of LVH?
Published 01/10/2024 Characteristics of right ventricular hypertrophy on ECG
Published 01/10/2024 What are common causes of RVH?
Published 01/10/2024 What are causes of poor R-wave progression?
Published 01/10/2024 Characteristics of early repolarization on ECG
Published 01/10/2024 Characteristics of acute pericarditis on ECG
Published 01/10/2024 Characteristics of subendocardial ischemia on ECG
Published 01/10/2024 Characteristics of Brugada syndrome on ECG
Published 01/10/2024 After firing, ischemic cells are {{c1::less}} depolarized. At rest, ischemic cells are {{c1::less}} repolarized. 
Published 01/10/2024 What is the mechanism of ST elevation?
Published 01/10/2024 What is the mechanism of ST depression?
Published 01/10/2024 What is the ECG progression in an MI?
Published 01/10/2024 What are pathological Q-waves and criteria?
Published 01/10/2024 What can cause T-wave inversion?
Published 01/10/2024 What can cause peaked T-waves?
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