40 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... General rule: QT ... = QT / Sqrt(RR) ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical #criteria
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
- ECG Diagnosis ... • inverted in aVR ... #diagnosis #ekg ... #ecg #electrocardiogram ... #criteria
Left Main Coronary Artery Occlusion on ECG

- aVR ST segment elevation > 1 mm 
- aVR
Artery Occlusion on ECG ... - aVR ST segment ... #EKG #Diagnosis ... #Electrocardiogram ... #Cardiology #Criteria
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flattened T waves QT ... • QT interval is ... = QT / √ RR - ... QT is less than ... #cardiology #diagnosis
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... #ECG #electrocardiogram ... #cardiology #diagnosis
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Winter T Wave ECG ... ST elevation in aVR ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology ... #Criteria
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... widened QRS and QTc ... #electrocardiogram ... #diagnosis #ekg ... #differential #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... nodal conduction ... waves - Short QT ... #EKG #Cardiology ... #Digitalis #ECG