165 results
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... group-beating" on the ECG ... #AVBlock #cardiology ... #ekg #ecg #diagnosis ... electrocardiogram #classification
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... Complete Heart Block ... • Block in AV ... HeartBlocks #Types #Classification
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Blockers: • MOA: Block ... Blockers: • MOA: Block ... primarily) and block ... Blockers: • MOA: Block ... #Classes #pathophysiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... Complete Heart Block ... Tachycardia with 2:1 AV Block ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
bundle branch blocks ... bundle branch block ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Differential Diagnosis by Classification ... • AV block ... Medication side effect (e.g ... Differential #Diagnosis #Classification ... #Table #Causes
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... (3) SA node block ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... or 3rd degree block ... Tri-fascicular block ... • Reversible causes ... of AV block -
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
Bundle Branch Block ... Bundle Branch Block ... electrocardiogram #pathophysiology ... #ekg #ecg #cardiology