13 results
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Atrial Fibrillation ... AFib In pre-excitation ... + a-fib with RVR ... #Fibrillation #AFib ... #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
abberancy - N B Afib ... + WPW - DANGER ... (4) Vfib/flutter ... Irregular (1) A fib ... #EKG #diagnosis
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
Wolff-Parkinson-White (WPW ... pathway first - A-fib ... WolffParkinsonWhite #WPW ... #EKG #Electrocardiogram ... #Clinical #Diagnosis
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Hypothermia on EKG ... bradycardia, a fib ... with slow ventricular ... #ECG #electrocardiogram ... #cardiology #diagnosis
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
(A-Fib) Summary ... branch block or WPW ... control with early Afib ... #Fibrillation #AFib ... #diagnosis #management
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Escape Rhythm • Ventricular ... • Premature ventricular ... WPW) - Narrow ... interval) • AFib
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
common finding) • Atrial ... ., A-Fib also a ... result of atrial ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... Differentiating ventricular ... #electrocardiogram ... #diagnosis #ekg
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Waves/Fibrillary = afib ... aVF) • Right ventricular ... #Electrocardiogram ... #cardiology #diagnosis
Ventricular Fibrillation on POCUS Echocardiogram - Parasternal Short Axis

50's male witnessed arrest. Unknown hx. AED no
Ventricular Fibrillation ... Diagnosis? ... Fine Vfib can be ... getting 12 lead ECG ... #Fibrillation #VFib