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ECG Basics - Atrial Rhythms #Cardiology #MedStudent #EKG #Atrial #SVT #Comparison #Table #AFib #AFlutter #MAT #WAP
ECG Basics - Atrial ... #MedStudent #EKG ... #Atrial #SVT #Comparison ... #Table #AFib #AFlutter ... #SVT #ECGEducator
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... rhythms (5) AV ... block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
), atrial flutter ... Symptoms may include ... Clinical #MedStudent #Cardiology ... #EKG #SVT #SupraVentricularTachycardia ... #ECGEducator
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... only looks at aVR ... #AVR #leadAVR #ecg ... #ekg #differential
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Flutter (AFL), ... Tachycardia (MAT ... ) • AV node: AV ... ), AV nodal re-entrant
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... especially left heart ... leads indicates atrial ... patients) stage 4 - ECG ... #EKG #Pericarditis
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
, first-degree AV ... Complete heart block ... The various ECG ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
- Differential Diagnosis ... Don't rely on criteria ... block >> MAT ... abnormality • Beware AV ... Irregular #causes #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms = AV ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG