184 results
Stimulated
SA node
AV node -
Un-stimulated
#PQ
(mV) 0
ECG (lead II)
QRS
#QRS
#SA node
#AV node
#Bundle of His
Bundle branches
#Purkinje fibers
#QRS
#ST
ECG (lead II) QRS ... #QRS #SA node ... Purkinje fibers #QRS
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
PR, and widened QRS ... Slurred upstroke of QRS ... wave) 2 Wide QRS ... complex (QRS >
EKG QRS Morphologies #MedStudent #EKG #QRS #Morphologies #ECGEducator
EKG QRS Morphologies ... MedStudent #EKG #QRS
Slit Lamp Evaluation Mnemonic - L's & C's

Mnemonic for systematically assessing all portions of the eye,
Lacrima Lens (and iris ... Cornea (and iris
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Diagnosis • Narrow QRS ... tachycardia • Narrow QRS ... tachycardia • Wide QRS ... Pre-excited SVT • Wide QRS
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
- RR only - #QRS ... 2 dots = 3s; #QRS ... (1) Pfor every QRS ... bpm - Axis - QRS ... pacemaker - QRS
Post Traumatic Iridodonesis 

Dr. João Victor Negrão - https://www.instagram.com/joaovrtn/

#Iris #Iridodonesis #Clinical #Video #Ophthalmology #Traumatic #Eye #PhysicalExam
/joaovrtn/ #Iris
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
QRS often wide. ... between P and QRS ... 40-60), narrow QRS ... (20-40), wide QRS ... atropine if wide QRS
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Pacemaker LBBB: QRS ... - Fusion: odd QRS ... Narrow, different QRS ... opposite direction to QRS
PEA - Assessment and Management - Narrow vs Wide Complex QRS - Credit: SMACCBYTE 1st Place
vs Wide Complex QRS ... Differential #Algorithm #QRS