16 results
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
- Mobitz Type 1 ... - Mobitz Type 2 ... independently of the atria ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... type II (aka Mobitz ... location of the block ... location of the block ... (AV node).
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart Block ... , Mobitz Type I ... waves and QRS complexes ... beating" • The block ... within the AV node
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... normal • QRS complexes ... bundle branch block ... beats • The block ... is below the AV node
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- w/ variable block ... block - escaped ... rhythms (5) AV block ... - Proximal AV block ... QRS - Distal AV block
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
I Heart Block ( ... Pacemaker 3rd Degree, Complete ... P and QRS • Atrial ... electrocardiogram #ecg ... #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Type I aka Mobitz ... (AV node). ... pacemaker (AV node ... #AVBlock #cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
Almost any type of cardiac ... atrioventricular (AV) block ... first-degree AV block ... Wenckebach type of block ... Complete heart block
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Interval: • 1° Block ... >200ms • 2° Block ... loss of P • 2° Block ... Block (nothing
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervening QRS complex ... presence of AV block ... Wandering Atrial ... back to the sinus node ... #ecg #electrocardiogram