17 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Tachycardias - Pathophysiology ... through SA Node, Atrium ... , AV Node, Bundle ... Flutter • Atrial ... #Tachycardias #Pathophysiology
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... Complex • PAC ... finds the right bundle ... electrocardiogram #premature #atrial ... #complexes
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... ventricle known as the bundle ... upstroke of QRS complex ... ) 2 Wide QRS complex
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
pathway between the atria ... (known as the bundle ... #Pathophysiology
Hyperkalemia - Management Algorithm
 • IV calcium
 • IV insulin and glucose and/or salbutamolt
 • Consider
Hyperkalemia - Management ... Algorithm • IV ... Widening of QRS complex ... fascicular blocks. bundle ... #algorithm #treatment
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
preceding each QRS complex ... wave (ventricular complex ... below AV node (His bundle ... independently of the atria ... (AV node, His Bundle
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Premature Ventricular Complexes ... Hypokalemia • Bundle ... : • Broad QRS complex ... capture of the atria ... arrhythmia • Atrial
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... Regular, Wide-Complex ... Bundle-branch morphology
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... Irregular wide-complex ... tachycardia: bundle ... right and left atria ... AFib #diagnosis #management
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Stable Narrow-Complex ... convert - Possible atrial ... flutter, ectopic atrial ... Tachycardia #Treatment #management ... #cardiology #algorithm