9 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... with QRS ≥120 ms ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Measurement General ... Bazett's Formula: QTc ... #QTc #Interval ... #Normal #Measurement ... #ekg #electrocardiogram
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 ... calculate the QTc ... #Measurement #Irregular ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms ... interval ≥ 120 ms ... waves: > 40 ms ... Interpretation #ECG ... #Electrocardiogram
This one at K = 2.4
The down up morphology remains
The computer measures the QT at 565
computer measures the QT ... at 565 ms, QTc ... at 591 ms This measurment ... smithECGBlog #Clinical #ECG ... #EKG #Hypokalemia
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
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... ICD/pacer - QTc ... <300-360 ms: ↑ca ... #Approach #ECG ... #electrocardiogram
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
Short QT Syndrome ... interval (QTc < ... though it is not clear ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram