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cardiology interpretation stemi syncope clinical digitalis digoxin equivalents algorithm approach bradyarrhythmia bradycardia causes changes cheatsheet checklist echocardiogram effect elevation embolism
Lead AVR on ECG 1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... widened QRS and QTc ... #AVR #leadAVR #ecg ... #diagnosis #ekg
EKG Interpretation Cheat Sheet 1) Rate - Regular - Count-Off - Irregular - Count number
EKG Interpretation ... • QT interval is ... = QT / √ RR - ... @AmyChung #EKG ... Interpretation #ECG
Digoxin effect on Electrocardiogram (EKG) Digoxin is a cardiac glycoside from the foxglove leaf Mechanism - Inhibits Na-K
(EKG) Digoxin ... Digoxin effect on ECG ... waves - Short QT ... #EKG #Cardiology ... #Digitalis #ECG
Approach to ECGs - Syncope Syndromes Electrolytes • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #electrocardiogram ... #differential
Electrocardiographic Features of Digoxin Toxicity • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... " or "sagging" ST ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Causes of ST Segment Elevation - Differential Diagnosis Framework STEMI: • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework ... and a prolonged QT ... waves - Short QT ... waves • Short QT ... #ecg #ekg #electrocardiogram
Approach to ECGs - Ischemia MI = Biomarkers + ECG or echo/angiogram findings Pathologic Q - 1/3 height
= Biomarkers + ECG ... #Ischemia #ECG ... #EKG #diagnosis ... #electrocardiogram ... Interpretation #differential
STEMI Equivalents on ECG • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... #Equivalents #ECG ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Approach to ECGs Check - Age, gender, name - 25mm/s; 10mm/mV - 1mm = 40ms; 0.1 mV Rate
DANGER - Short QT ... : ↑ca - Long QT ... #Approach #ECG ... #EKG #diagnosis ... #electrocardiogram
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia. - At
prolonged PR and QT ... diminished and ST ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
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