20 results
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
TCA Overdose on EKG ... prolongation • QT ... Overdose #tricyclic #antidepressants ... #EKG #ECG #electrocardiogram ... #cardiology #diagnosis
ECG Interpretation Basics Quick Reference
- Rhythm and Rate
- QRS / Blocks
- Intervals
- Axis
- Chambers
- ST/T/Q (Ischemia)

By
ECG Interpretation ... @sargsyanz #ECG ... #Interpretation ... #Basics #EKG #Electrocardiogram ... #Cardiology #Diagnosis
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
Intervals (PR, QRS, QT ... infarction #ECG ... #Cribsheet #Electrocardiogram ... #Diagnosis #Reference ... #Interpretation
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
that prolong the QT ... flecanide) •Cyclic antidepressants ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
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
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
: ↑ca - Long QT ... antipsychotics, antidepressants ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
that prolong the QT ... necanide) Cyclc antidepressants ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
Shortening of QT ... digitalis #Toxicity #Electrocardiogram ... #ekg #ecg #toxicology ... #cardiology #diagnosis
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
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Normal QT Interval ... General rule: QT ... #Measurement #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram