65 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 ... #JTInterval #QTc ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
EKG showing prominent U waves due to hypokalemia. Serum potassium 2.0. 

#EKG #emergencymedicine #criticalcare #cardiology #internalmedicine
EKG showing prominent ... U waves due to hypokalemia ... #criticalcare # ... EM #diagnosis #Electrocardiogram ... #ECG #UWaves
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
Hypokalemia on EKG 

Patient presenting with severe weakness.  Patient had GI bug with vomiting/diarrhea.
Hypokalemia on EKG ... leads with long QU interval ... RJonesSonoEM #UWaves #Hypokalemia ... #EKG #ECG #Electrocardiogram ... #cardiology #clinical
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... not clinically ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
T-Wave ECG changes in Hyperkalemia vs Hyperacute MI
 - Hyperkalemia: Increased height, without increase area
 -
T-Wave ECG changes ... in Hyperkalemia ... #Hyperkalemia # ... Hyperacute #MI #clinical ... #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... interval should ... #QTc #Interval ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... hypomagnesemia, hypokalemia ... Diagnosis #Cardiology #ECG ... #EKG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
/QTC Interval: ... • QT interval is ... waves = severe hypokalaemia ... Interpretation #ECG ... #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