10 results
Typical ECG changes associated with hyperkalemia. 
→ Peaked T wave
→ Wide PR interval, Wide QRS duration,
wave → Wide PR interval ... should not necessarily ... #hyperkalemia #ECG ... #progression #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
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
The JT Interval ... with QRS ≥120 ms ... #electrocardiogram ... pathophysiology #ekg ... #ecg #cardiology
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... should be < 1/2 ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... within the atria (e.g ... @AmyChung #EKG ... Interpretation #ECG ... #Electrocardiogram
Short QT Syndrome
Short QT syndrome (SQTS) is a very rare, recently described syndrome in which an
unusually short QT interval ... patients with SQTS Hypercalcemia ... with a short QT interval ... Syndrome #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal Intervals ... #Approach #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR interval ... leading to AV node dissociation ... heart #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
a prolonged QT interval ... segments and T waves should ... Disorders: • Hyperkalemia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
irregular PP and PR interval ... contrast to AV dissociation ... wap #diagnosis #cardiology ... #ekg #ecg #electrocardiogram