7 results
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... is gradual • After ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Aortic Root Sign

The aortic root sign an anomalous circumflex coronary artery (ACCA) that emerges from the
circumflex coronary artery ... contralateral coronary sinus ... the aorta to supply ... blood to its normal ... #cardiology #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
at (or 40-60 ms after ... J point • De Winter ... V2 • Wellens sign ... #differential #cardiology ... #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... in V1 - normal ... #electrocardiogram ... #cardiology #STEMI
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
PR interval are normal ... is gradual • After ... #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
QRS complex of normal ... Fusion beats - a sinus ... - Brugada's sign ... #ekg #cardiology ... #diagnosis #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
bundle-branch block; and sinus ... • Epicardial artery ... ST Elevation of Normal ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram