29 results
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
(RBBB) - EKG Diagnosis ... • QRS > 0.12 seconds ... notched R in V1 UCSD ... #RBBB #EKG #Diagnosis ... #ECG #electrocardiogram
ECG Interpretation Basics Quick Reference
- Rhythm and Rate
- QRS / Blocks
- Intervals
- Axis
- Chambers
- ST/T/Q (Ischemia)

By
Rhythm and Rate - QRS ... / Blocks - Intervals ... Interpretation #Basics #EKG ... #Electrocardiogram ... #Cardiology #Diagnosis
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart Block ... P waves and QRS ... SecondDegree #HeartBlock #Diagnosis ... #Cardiology #EKG ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... are normal • QRS ... SecondDegree #HeartBlock #Diagnosis ... #Cardiology #EKG ... #ECG #Electrocardiogram
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
• The QRS is ... • The QRS complex ... MobitzII #Type2 #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Left Anterior Fascicular Block on EKG
 • Left axis deviation (LAD) (-45 degrees to -90 degrees)
Anterior Fascicular Block ... on EKG • Left ... 90 degrees) • QRS ... #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
QRS often wide. ... between P and QRS ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
bundle branch block ... morphology of the QRS ... establish the diagnosis ... VentricularTachycardia #Clinical #Cardiology ... #ECG #EKG #Electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... ≥120 ms Rachel ... JTInterval #QTc #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS ... Intermittently dropped QRS ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram