11 results
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
ventricular rate (↓ AV ... " or "sagging" ST ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... findings: Sinus ... • Predictor of arrhythmia ... #AVR #leadAVR #ecg ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Wandering Atrial ... Sinus #Arrhythmia ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Wandering Atrial ... Sinus #Arrhythmia ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... wave inversion in avL ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
elevation in aVR ... of the leads l, aVL ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Adrenergic Drive: • Sinus ... finding) • Atrial Arrhythmia ... • Non-specific ST-T ... Changes • STE in aVR ... #electrocardiogram
Wraparound LAD STEMI on EKG
47 year old with chest pain. Ectopic atrial rhythm with ST elevations.
on EKG 47 year ... atrial rhythm with ST ... The mother of all ... a PFO during a bowel ... #cardiology #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
, not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... bundle-branch block; and sinus ... #ecg #ekg #electrocardiogram
High Lateral STEMI - D1 of LAD

There is transmural injury isolated to I & aVL. These
High Lateral STEMI ... isolated to I & aVL ... similar but this ST ... #EKG #Electrocardiogram ... #Cardiology #Clinical