12 results
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... greater than 0.20 sec ... block, the PP and ... by a junctional pacemaker ... #AVBlock #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... atrial injury from pericardial ... > 0.7: ppv = 46% ... Differentiating ventricular ... #differential #cardiology
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
block, the PP and ... • The ventricular ... by a junctional pacemaker ... AVBlock #Complete #cardiology ... #ekg #ecg #diagnosis
Temporary / External Pacing
 • Transvenous & epicardial pacing are temporary methods of supporting brady- &
permanent implanted pacemaker ... • External cardiac ... depolarization SENSITIVITY ... #PPM #Temporary ... External #Pacing #cardiology
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
the heart • AV ... of time after ventricular ... Settings: • Sensitivity ... #PPM #Operating ... Pacing #settings #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... block. ... Wandering Atrial Pacemaker ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg
Myocarditis 

5 Principles of
Myocarditis:
1. Build clinical suspicion
2. Decide on EMBx
3. Manage acute cardiac injury
4. Manage chronic
Pericarditis, Tamponade EKG ... Findings: - AV ... block, Aberrancy ... sacubitril-valsartan, PPM ... diagnosis #management #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... block. ... Wandering Atrial Pacemaker ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Pardee's sign" + PPD ... Bundle Branch Block ... bundle-branch block ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
and an irregular PP ... focus from the ... terminalis) or in AV ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram