49 results
Mobitz Type I (Wenckebach Phenomenon) 2nd Degree AV Block on EKG
 • P-R interval gradually increases
2nd Degree AV Block ... interval gradually ... resets • P-P interval ... to 6:5 in this ECG ... #AVBlock #diagnosis
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV Block ... shortening of the RR interval ... • The RR interval ... the shortest RR interval ... Second #Degree #AVBlock
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
Bundle Branch Block ... EKG Criteria: ... R in V1 UCSD Internal ... #BundleBranch #Block ... #ECG #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (constant R-R Interval ... (variable R-R interval ... (constant R-R Interval ... (variable R-R interval
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... is constant PR interval ... Second #Degree #AVBlock ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• PR interval ... • The RR interval ... the shortest RR interval ... is constant PR interval ... • The PR interval
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
P wave and PR interval ... normal • The PP intervals ... • The P to P interval ... shorter than the intervals ... #ecg #electrocardiogram
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
The JT Interval ... T-wave, the JT interval ... you use the JT Interval ... Pacing Prolonged JT interval ... than prolonged QT interval
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
the PP and RR intervals ... are regular but ... • The PR interval ... ThirdDegree #3rd #AVBlock ... #ecg #diagnosis
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Internal Jugular ... Rouleaux Flow on POCUS ... Rouleaux #Flow #Internal ... #Jugular #IJ #Vein ... #POCUS #vascular