9 results
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... /QTC Interval: ... WolffParkinson-White syndrome ... #ECG #Electrocardiogram ... #cardiology #diagnosis
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
digoxin toxicity • Classic ... Shortening of QT ... interval • "Scooped ... digitalis #Toxicity #Electrocardiogram ... #cardiology #diagnosis
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... • Sick Sinus Syndrome ... AVNRT • AVRT ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Classic EKG ... widened QRS and QTc ... interval, RAD 130 ... #AVR #leadAVR #ecg ... #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal Intervals ... boxes) - HiPR: AV ... antihistamines, antiarhythmics ... #electrocardiogram ... #cardiology #interpretation
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Incomplete or Complete ... in relation to ECG ... Changes • STE in aVR ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... interval J Wave ... voltage Other Causes ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Sick Sinus Syndrome ... 200ms from longer pause ... bradyarrhythmia #ECG ... #electrocardiogram ... #cardiology #differential
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Cardiomyopathy • Inherited arrhythmia ... syndromes (e.g. ... , long QT syndrome ... heart disease Causes ... #differential #cardiology