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Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
bundle branch block ... bundle branch block ... and WCT, wide complex ... #VTach #ECG #EKG ... #Diagnosis #Cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... complex) is dropped ... Third Degree" • Complete ... #heartblock #cardiology ... #ecg #ekg #diagnosis
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... • The QRS complex ... Block aka Complete ... #AVBlock #cardiology ... #ekg #ecg #diagnosis
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
High-grade AV Block ... aka Advanced AV ... may progress to complete ... Advanced #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Block aka Complete ... sinus rhythm with complete ... AV block, the PP ... #Complete #cardiology ... #ekg #ecg #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Pacemaker 3rd Degree, Complete ... • Block in AV ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Lose P • 3° Complete ... through) QRS Complex ... of depth of QRS complex ... Interpretation #ECG ... #cardiology #diagnosis
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Complexes (PVC's ... Bundle branch block ... EKG Findings ... #Complexes #PVCs ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Bundle Branch Block ... or in-complete ... bundle-branch block ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram