The tracing shown was observed at EP study in a young man without evidence of heart disease. What is the likely mechanism of tachycardia for both the narrow.

Slides:



Advertisements
Similar presentations
Illustration of how the diagnostic yield changes as the size of the gene panel (number of genes) increases. The general characteristics of panels of various.
Advertisements

Automatisms with preserved responsiveness were observed exclusively during seizures arising from the right nondominant temporal lobe. They were not observed.
ACLS algorithm for bradycardia
Progressive supranuclear palsy
Rapid ventricular tachycardia (rate 215/min)
****Suppression of the serum TSH with levothyroxine has been shown to be of more benefit in patients with higher stages of disease. In older patients with.
Denture stomatitis caused by candida in a patient wearing a "flipper" (temporary removable denture to replace a missing tooth). Source: Diseases of the.
Spectrum of different types of human gene mutations logged in Human Gene Mutation Database as of September 13, 1998 ( Source: The.
(Adapted, with permission, from Fagin JA
3D and 4D ultrasound volume ultrasound can obtain image planes and provide depth far beyond the capability of 2D ultrasound. Source: VOLUME SONOGRAPHY:
Sinus rhythm with ventricular bigeminy due to digitalis toxicity
Incidence of CIN2 and 3 and cervical cancer
(Copied with permission from: Latson, L. A. , & Prieto, L. R. (2007)
ACLS algorithm for bradycardia
ACLS algorithm for asystole
Multiplanar challenges with exercise ball. A. Exercise ball plank. B
The woundEL LVMPC device delivers the same signal previously used in clinical wound healing studies performed in the United States and Germany that reported.
A widely displaced fracture of the distal radius
Recording of fetal heart rate and uterine activity
Pathophysiology of esophageal reflux disease
Electrocardiogram (ECG) of a patient with prolonged QT and episodes of torsade de pointes ventricular tachycardia (VT). A. Twelve-lead ECG showing a heart.
In certain patients with the long QT syndrome, potassium channel function is reduced (diagonal arrows), which leads to prolongation of the action potential.
Virtual integration involves contractual links between HMOs and physician groups, hospitals, and other provider units. Source: How Health Care Is Organized—II:
Diagnostic approach: Dizziness.
Delegation guidelines.
Pathogenesis of bone diseases in chronic kidney disease
Comprehensive emergency cardiac care algorithm
PICC line thrombus (arrow) with 2D (A) and 3D (B) imaging.
Nine patterns of inflammatory skin disease. (See also Table 8–1.)
Forearm support for sustained work at the computer.
Diagnostic algorithm for normocytic anemia.
Atrial tachycardia with atrioventricular (AV) block and ventricular bigeminy, resulting from digitalis toxicity. The atrial rate is 164/min and is independent.
Relation of H pylori infection to upper GI tract conditions
Using the prosthesis as an assisting hand
Risk factors for bone stress injuries12
Wiggers diagram, a correlation of electrical and mechanical events during the cardiac cycle. A phonocardiogram records heart sounds. Source: Cardiovascular.
Oral contraceptive pill hormonal components
Oral contraceptive pill hormonal components
Atrial flutter terminated with radiofrequency ablation
(A) ECG showing sinus tachycardia with the rate of 123 bpm
The decline in Haemophilus influenzae type b (Hib) meningitis in association with the introduction of new vaccines is shown. Note also the steady state.
Mechanisms leading to Down syndrome
Different types of bariatric surgery
Ulcerative colitis. Note the continuous segment of mucosal erythema extending from the distal aspect of the specimen (right of image). This pattern of.
Scaphoid fracture. A. Scaphoid fracture nonunion. B
Source: Dizziness, Symptom to Diagnosis: An Evidence-Based Guide, 3e
In diastolic dysfunction, the diastolic pressure-volume relationship is shifted upward and to the left (dashed line), which leads to an elevated left ventricular.
Tracing from a patient with Wolff–Parkinson–White (WPW) and documented supraventricular tachycardia. The first two cycles are preexcited and a 12-lead.
Symptoms of alcohol withdrawal (Virtual Naval Hospital
Management of asthma exacerbation
Midsagittal section through the brain of a patient with a brain stem tumor. Histologic findings showed the tumor to be an ependymoma. Source: Discussion.
Flexion abduction external rotation (FABER) test (Patrick Test).
This 3D animation of the MV annulus (right) is reconstructed from a real-time 3D image of the MV (left). It demonstrates the anterior-posterior or interpeak.
In supraventricular tachycardia, the QRS is narrow because the ventricles are depolarized over the normal specialized conduction tissues (light blue region).
A practical approach to differentiating tachyarrhythmias
Rodin, “The Kiss” (545 x 800). Accessed at
Reaction mechanism of the Michael addition reaction between a nucleophile and a polarized double bond. Source: Nucleophilic Substitution, Addition, and.
The patient presented with atrial flutter 10 years after ASD repair
Adjusting probabilities with new information and treatment thresholds
This defibrillator device has been set to synchronized “SYNC” mode
A practical approach to differentiating tachyarrhythmias
Hierarchy of clinical evidence
Atrial ectopic tachycardia. Notice regular narrow QRS
Source: Dizziness, Symptom to Diagnosis: An Evidence-Based Guide, 3e
Number of uninsured persons in the United States, 1980 to 2014 (U. S
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Ventricular Tachycardia in Structural Heart Disease
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Copyright © 2004 The McGraw-Hill Companies, Inc. All rights reserved.
Presentation transcript:

The tracing shown was observed at EP study in a young man without evidence of heart disease. What is the likely mechanism of tachycardia for both the narrow and wide QRS complex arrhythmias? Source: Wide QRS Complex Tachycardia, Clinical Electrophysiology Review, 2e Citation: Klein GJ, Prystowsky EN. Clinical Electrophysiology Review, 2e; 2016 Available at: http://accesscardiology.mhmedical.com/DownloadImage.aspx?image=/data/Books/1787/kleincer_ch5_f0019A.png&sec=120739309&BookID=1787&ChapterSecID=120739209&imagename= Accessed: October 09, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved