11 results
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
includes both MAT ... of a variable P-wave ... Pacemaker: VARIANT ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervals vary at ... the presence of AV ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... 3 different P waves ... - ventricular pacemaker ... #EKG #diagnosis ... electrocardiogram #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
intervals vary at ... the presence of AV ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... (e.g. ectopic atrial ... Invert III normal variant ... bradycardia • J ... Electrocardiogram #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - Premature atrial ... ECG usually shows ... at rates of 120 ... Pathophysiology #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
clinically concerning variant ... by a junctional pacemaker ... an infra-Hisian pacemaker ... blocks #AVBlock #cardiology ... #ekg #ecg #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
May be no pattern ... P and QRS • Atrial ... • Block in AV ... (block beyond AV ... #cardiology
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
The lowest rate at ... the heart • AV ... of retrograde P waves ... tachycardia) Additional ... Pacing #settings #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
the J point in ... block; and sinus tachycardia ... Elevation of Normal Variant ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram