386 results
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
big squares - RR ... Intervals - PR ... qs; lat leads rsr ... - QTc < 1/2 RR ... EKG #diagnosis #electrocardiogram
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
with varying PP, PR ... and RR intervals ... cardiology #EKG #ECG #Electrocardiogram
Right Bundle Branch Block (RBBB) - EKG Diagnosis
EKG Criteria:
 • QRS > 0.12 seconds
 • Slurred
in I and V6 • RSR ... Diagnosis #ECG #electrocardiogram
Knuckle Sign on ECG - Acute Pericarditis

Electrocardiogram of a 68-year-old woman two days after coronary artery
Pericarditis Electrocardiogram ... is evidence for PR ... II and aVL, and PR ... Pericarditis #ECG #EKG #Electrocardiogram
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
delta wave, short PR ... msec) 3 Short PR ... interval (PR < ... Cardiology #ECG #EKG #Electrocardiogram
Syphilis Diagnostic Algorithm
 • Syphilis (TP) EIA
 • RPR
 • A different treponemal specific test (TPPA)

ID
Syphilis (TP) EIA • RPR ... Testing #laboratory #RPR
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
PR interval ... Cardiology #EKG #ECG #Electrocardiogram
ECG Cheat Sheet

ECG rapid view: It is organized roughly how one would typically read an ECG.
ventricle), Intervals (PR ... Cheatsheet #Cribsheet #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
branch block • PR ... Cardiology #EKG #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... PR longest before ... PR shorted after ... Diagnosis #EKG #electrocardiogram