19 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Measurement General ... #QTc #Interval ... #Normal #Measurement ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
Findings Causes ... • Milk-alkali syndrome ... #ECG #Electrocardiogram ... #Differential #Causes ... #Diagnosis #Cardiology
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
Measurement in ... #QTc #Interval ... #Measurement #WideQRS ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
Measurement in ... #Measurement #Irregular ... #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
Measurement in ... #QTc #Interval ... #Measurement #UWave ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
nodal conduction Uses ... 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,
- Syncope Syndromes ... mchlwng #Syncope #Syndromes ... #ECG #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... WolffParkinson-White syndrome ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
cardiomyopathy (Yamaguchi syndrome ... wave inversion syndrome ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Sick Sinus Syndrome ... 200ms from longer pause ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential