20 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
with QRS ≥120 ms ... #JTInterval #QTc ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... for the QT intervals ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
≥ 120 ms, origin ... /QTC Interval: ... • QT interval is ... Interpretation #ECG ... #Electrocardiogram
REBEL Review 100: Canadian Syncope Risk Score 

Predisposition to Vasovagal Symptoms (-1)
History of Heart Disease (1)
Any
REBEL Review 100: Canadian ... QRS Duration 130 ms ... (1) Corrected QT ... Interval > 480 ... ms (2) Vasovagal
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... prolongation of the QTC ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... Bazett's Formula: QTc ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
ECG Cheat Sheet ... ECG rapid view ... atrial, ventricle), Intervals ... (PR, QRS, QT), ... #Cribsheet #Electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Digoxin effect on Electrocardiogram ... Digoxin effect on ECG ... waves - Short QT ... interval Dr. ... #Digitalis #ECG
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... dextrocardia, normal Intervals ... <300-360 ms: ↑ca ... #Approach #ECG ... #electrocardiogram
This one at K = 2.4
The down up morphology remains
The computer measures the QT at 565
at 565 ms, QTc ... at 591 ms This measurment ... measuring the QU-interval ... smithECGBlog #Clinical #ECG ... #EKG #Hypokalemia