68 results
Nail diseases and disorders.
 - Spoon Nails (Koilonychia)
 - Pitting of Nails
 - Beau's Lines
 -
Pitting of Nails - Beau's ... #Differential #Irregularities ... #Beaus #Lines #
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
ranges from 50-110 beats ... Capture and fusion beats
Nail Changes - Differential Diagnosis Algorithm
Nail Plate Abnormality
 - Trachyonychia
 - Discoloration
 - Onycholysis
 - Pitting
Koilonychia - Beau's
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
Presence of captured beats ... run) and fusion beats
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
lengthens • Dropped beats
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
There are dropped beats
Transverse lines of the fingernails. (A) Beau’s lines (arrows) of the thumbnail. (B) Mees’ lines (arrowheads)
(A) Beau’s lines ... toxin or drug.1, 2 Beau ... nails, including Beau
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
• Menstrual irregularities
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
rates) - Capture beats ... - Fusion beats
Opioid Overdose Management and Discharge Criteria

Patients with presumed opioid overdose were safely discharged one hour after
Heart rate >50 beats ... /min and <100 beats