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Bradycardias Comparison Table
 - SINUS BRADYCARDIA 
 - JUNCTIONAL BRADYCARDIA 
 - 1st DEGREE AV BLOCK
- 1st DEGREE AV ... AV BLOCK Type 1 ... BLOCK #Diagnosis ... #Cardiology #EKG ... #ECG #Bradycardia
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
AV indicates atrioventricular ... bundle branch block ... bundle branch block ... #VTach #ECG #EKG ... #Diagnosis #Cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
(AV) block is not ... block, ventricular ... Complete heart block ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Block, Mobitz Type ... always within the AV ... #HeartBlock #Diagnosis ... #Cardiology #EKG ... #ECG #Electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
with Complete Heart ... Block and Accelerated ... with 2:1 AV Block ... #cardiology #ecg ... #ekg #electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Block, Mobitz Type ... bundle branch block ... is below the AV ... #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
BlockAV conduction ... #AV #Blocks #heart ... #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Heart Block: ... • Block in AV ... beyond AV node) ... #EKG #electrocardiogram ... #ecg #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... #AVR #leadAVR #ecg ... #diagnosis #ekg ... #differential #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
block (lower AV ... block - ventricular ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #cardiology #differential