12 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV nodal ... biphasic T waves - Short ... QT interval ... #EKG #Cardiology
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... Only works at normal ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
delta wave and short ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
characterized by an abnormal ... a delta wave, short ... WolffParkinsonWhite #WPW #Cardiology ... #ECG #EKG #Electrocardiogram ... #Clinical #Diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... V1 (Invert III normal ... de pointes • Short ... #Electrocardiogram ... #cardiology #diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
deWinter T waves - starts ... T wave in V1 - normal ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
500 DANGER - Short ... QT <300-360 ms: ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
Short QT Syndrome ... Short QT syndrome ... QT interval (QTc ... diagnosis #cardiology ... #ecg #ekg #electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... is considered abnormal ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... segment at (or 40-60 ms ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram