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Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
In sinus rhythm ... by a junctional pacemaker ... ThirdDegree #3rd #AVBlock ... #Complete #cardiology ... ecg #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... presence of AV block ... • The change in ... Sinus #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
II (3) 60-100 bpm ... ) - HiPR: AV block ... ectopic atrial pacemaker ... EKG #diagnosis #electrocardiogram ... #cardiology #interpretation
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
wave is normal in ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #cardiology #ekg ... ecg #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... presence of AV block ... • The change in ... Sinus #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Pardee's sign" + PPD ... downsloping - Coving ... Bundle Branch Block ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram