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Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... risk factors Atrial ... left atria, the ... atrial thrombus ... atrial occlusion
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
leads especially left ... leads indicates atrial ... injury. stage 2 ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
origin within the atria ... (e.g. ectopic atrial ... Morphology = multifocal atrial ... Waves/Fibrillary = afib ... • Saw-Tooth = Atrial
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
indicative of left ... death. 2. ... Subepicardial atrial ... : AVNRT, AVRT, atrial ... #cardiology
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Effect in Right Atrium ... Small secundum ASD ... or PFO with left ... to right shunt 2. ... Effect #Right #Atrium
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
>LAP as atrial septum ... shifts left ... stretched PFO or ASD ... #a4c #intrapulmonary ... #cardiology #saline