13 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... , 3° and Type 1 ... 2°) • His-purkinje ... : Premature Atrial ... #Diagnosis #Causes
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... known as the bundle ... is ablation. 1 ... (Delta wave) 2 ... #EKG #Electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypokalemia • Bundle ... : • Low: <1 percent ... Intermediate burden: >1 ... 300 = NSVT EKG ... capture of the atria
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
200ms from longer pause ... 1 , 3:2, 4:3, etc ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Diagnosis 1. ... Small secundum ASD ... to right shunt 2. ... echocardiogram #s4c ... #pocus #bubble
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
1. ... death. 2. ... Subepicardial atrial ... #electrocardiogram ... #differential #
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
- Most Common Cause ... non-culprit vessels • Atrial ... prosthetic valve, PFO, ASD ... Major + 1 Minor ... Embolism #diagnosis #differential
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
- Mobitz Type 2 ... a Mobitz Type 2" ... independently of the atria ... #ekg #diagnosis ... #electrocardiogram
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... liver disease 2. ... Prolonged Activated Partial ... aPTT 1. ... #diagnosis #differential
Double Shunt on Echocardiogram
What do you see on this saline contrast study, in a patient with
1. ... Early transit of bubbles ... >LAP as atrial septum ... stretched PFO or ASD ... clinical #pocus #a4c