10 results
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
QT / QTc Interval ... the associated QT ... intervals on the EKG ... #diagnosis #ecg ... #ekg #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... response, junctional rhythm ... osborn #waves #EKG ... #ECG #electrocardiogram
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... rule: QT interval ... = QT / Sqrt(RR) ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
doctor: Rate, Rhythm ... Intervals (PR, QRS, QT ... infarction #ECG ... #EKG #Cheatsheet ... #Cribsheet #Electrocardiogram
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... increase in the QT ... EricsMedicalLectures/ #QT ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... of the QT interval ... EricsMedicalLectures/ #QT ... cardiology #diagnosis #ecg ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • QT interval is ... = QT / √ RR - ... @AmyChung #EKG ... Interpretation #ECG
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
QRS in 6s x 10 Rhythm ... DANGER - Short QT ... : ↑ca - Long QT ... #Approach #ECG ... #EKG #diagnosis
Diagnostic Algorithm for the Patient with Seizure in the Emergency Department
Does the history suggest a seizure?
Diagnostic Algorithm ... additional symptoms (eg ... speech abnormality, etc ... Postictal state #Algorithm ... #management #Neurology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
prolonged PR and QT ... idioventricular rhythm ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table