957 results
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... originating the low atrium ... PAC will have a PR ... PACs #premature #atrial
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... Defect ** • Atrial ... Hypoxemia #Hypoxia #Differential ... #Diagnosis #Algorithm
Early Breast Cancer - Management Algorithm
 • Luminal A-like (ER+ and/or PR+, HER2- and low proliferation)
Cancer - Management Algorithm ... A-like (ER+ and/or PR ... B-like (ER+ and/or PR ... Triple-negative (ER-, PR ... Cancer #Management #Algorithm
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Tachycardia - Differential ... Diagnosis Algorithm ... tachycardia • Atrial ... #Tachycardia #Differential ... #Diagnosis #Algorithm
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 ... P and QRS • Atrial
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial ... with varying PP, PR ... MAT #Multifocal #Atrial
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Elevation of PR ... depression of PR ... leads indicates atrial ... normalization of ST and PR
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... tachycardia • Atria ... : Premature Atrial ... Flutter (AFL), Atrial ... Arrhythmias #Anatomical #Differential
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... delta wave, short PR ... msec) 3 Short PR ... interval (PR <
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) SVTs - atrial ... (3) Multifocal atrial ... block 1º - long PR ... successively longer PR ... electrocardiogram #cardiology #differential