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Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
indicates atrial ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology ... #EKG #Pericarditis ... #Spodick #ECGEducator
Einthoven's triangle is an imaginary formation of three limb leads in a triangle used in electrocardiography,
of three limb leads ... The shape forms ... #EM #IM #Cardiology ... #MedStudent #EKG ... Einthoven #Triangle #ECGEducator
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
/junctional tachy ... different P waves in lead ... node arrest - escape ... #EKG #diagnosis ... electrocardiogram #cardiology #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Shape? ... < 120 ms = AV junction ... junctional rhythm ... (e.g. ectopic atrial ... Electrocardiogram #cardiology #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... Block in AV node: Junctional ... escape (40-60), ... HeartBlocks #Types #Classification ... degrees #summary #Diagnosis