Dysrhythmia Echocardiogram Tachycardia 
Dr. Smith's ECG Blog
JANUARY 2, 2025
Because she has cardiomyopathy and ventricular dysrhythmias, the pacer included an Implanted Cardioverter-Defibrillator (ICD) Echo 6 days later after CRT: Normal estimated left ventricular ejection fraction. Even with tachycardia and a paced QRS duration of ~0.16 No wall motion abnormality. J Am Coll Cardiol.
Heart BMJ
MARCH 22, 2024
ECG at presentation was suggestive of ventricular tachycardia (VT) ( figure 1 A ). Resuscitation with urgent cardioversion in view of haemodynamic instability with wide complex tachycardia was done. The two-dimensional (2D) transthoracic echocardiogram revealed left ventricular ejection fraction of 40%.
Dr. Smith's ECG Blog
FEBRUARY 6, 2024
The ECG shows sinus tachycardia with RBBB and LAFB, without clear additional superimposed signs of ischemia. Hopefully a repeat echocardiogram will be performed outpatient. Between 81-95% of life-threatening ventricular dysrhythmias and acute cardiac failure occur within 24-48 hours of hospitalization. No cardiac MRI was done.
Dr. Smith's ECG Blog
APRIL 15, 2020
Here is her ED ECG: Here is the ED physician's interpretation: IMPRESSION UNCERTAIN REGULAR RHYTHM, wide complex tachycardia, likely p-waves. LEFT BUNDLE BRANCH BLOCK [120+ ms QRS DURATION, 80+ ms Q/S IN V1/V2, 85+ ms R IN I/aVL/V5/V6] Comparison Summary: LBBB and tachycardia are new. This is clearly ventricular tachycardia.
Dr. Smith's ECG Blog
JULY 22, 2012
Interpretation: There is sinus tachycardia, with right bundle branch block (RBBB). Blunt cardiac injury my result in : 1) Acute myocardial rupture with tamponade 2) Valve rupture (tricuspid, aortic, mitral) 3) Coronary thrombosis or dissection (and thus Acute MI) from direct coronary blunt injury 4) Dysrhythmias of all kinds.
Dr. Smith's ECG Blog
OCTOBER 25, 2022
We see a regular tachycardia with a narrow QRS complex and no evidence of OMI or subendocardial ischemia. The differential of a regular narrow QRS tachycardia is sinus tachycardia, SVT, and atrial flutter with regular conduction. Now the patient is in sinus tachycardia. She had an echocardiogram which was normal.
Dr. Smith's ECG Blog
SEPTEMBER 7, 2020
Here is his 12-lead: There is a wide complex tachycardia with a rate of 257, with RBBB and LPFB (right axis deviation) morphology. Read about Fascicular VT here: Idiopathic Ventricular Tachycardias for the EM Physician Case Continued He was completely stable, so adenosine was administered. See Learning point 1 below. Learning points 1.
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