46 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
U waves due to hypokalemia ... #criticalcare # ... cardiology #internalmedicine ... EM #diagnosis #Electrocardiogram ... #ECG #UWaves
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... #QTc #Interval ... Irregular #Rhythm #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 ... Hyperacute #MI #clinical ... #cardiology #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 ... Measurement #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... #QTc #Interval ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Hyperkalemia after Missed Hemodialysis - Initial electrocardiogram showed peaked T waves and a prolonged QT segment
Hemodialysis - Initial electrocardiogram ... and a prolonged QT ... segment (Panel A) #Clinical ... #Cardiology #EM ... #EKG #Hyperkalemia
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... interval •Class ... hypomagnesemia, hypokalemia ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Beat-to-beat evolution of ECG changes from hyperkalemia (induced by succinylcholine). 

https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(19)30838-4/fulltext

#Hyperkalemia #ECG #EKG #Evolution #Changes #Electrocardiogram
Beat-to-beat evolution of ECG ... changes from hyperkalemia ... 4/fulltext #Hyperkalemia ... #Changes #Electrocardiogram ... #Clinical #Cardiology