17 results
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Atrial Fibrillation ... and WPW - Pre-Excitation ... AFib In pre-excitation ... + a-fib with RVR ... #ekg #electrocardiogram
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Complete Heart Block and ... Tachycardia with 2:1 AV ... Block • Bidirectional ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... • Predictor of arrhythmia ... #AVR #leadAVR #ecg ... #electrocardiogram
Wolff-Parkinson White 
Preexcitation syndrome where an accessory pathway (Bundle of Kent) directly connects the atria 
and
accessory pathway (Bundle ... directly connects the atria ... and ventricles ... to bypass the AV ... #Cardiology #Diagnosis
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
Wolff-Parkinson-White Syndrome WPW ... pathway between the atria ... known as the bundle ... #Cardiology #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... abberancy - N B Afib ... + WPW - DANGER ... #electrocardiogram ... #cardiology #differential
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Arrhythmia* (e.g ... ., A-Fib also a ... result of atrial ... Changes • STE in aVR ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
aVF) ... the presence of AV ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... boxes) - HiPR: AV ... , ectopic atrial ... #electrocardiogram ... #cardiology #interpretation
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Common Sustained Arrhythmia ... wide-complex tachycardia: bundle ... branch block or WPW ... (< 5% pts with afibb ... diagnosis #management #cardiology