260 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 ... Interval #JTInterval #QTc ... pathophysiology #ekg ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms ... interval ≥ 120 ms ... Bazett formula: QTC ... Amy Chung, MD, MSc ... Interpretation #ECG
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... • PR, QRS, and QT ... bradyarrythmias (e.g ... #ECG #electrocardiogram ... cardiology #diagnosis #clinical
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... antidepressants #EKG ... #ECG #electrocardiogram ... cardiology #diagnosis #clinical
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
QT / QTc Interval ... interval that is not clinically ... #QTc #Interval ... 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 ... #EKG #diagnosis
Ventricular Parasystole on EKG

Normal AV conduction depolarizes the ventricle before the parasystolic focus fires

- Dr. Eric
Parasystole on EKG ... the parasystolic focus ... #Parasystole #EKG ... #ECG #electrocardiogram ... #cardiology #clinical
This is what a shoulder dislocation looks like on US before and after reduction. Focus on
Focus on the joint ... Ghali @EM_RESUS #Clinical ... #POCUS #MSK #Shoulder
How to Use Point-of-Care Ultrasound to Identify Shoulder Dislocation #Clinical #Diagnosis #POCUS #MSK #POCUS #Shoulder #Dislocation
Shoulder Dislocation #Clinical ... #Diagnosis #POCUS ... #MSK #POCUS #Shoulder
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... Diagnosis #Cardiology #ECG ... #EKG