21 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... - Differential Diagnosis ... #Differential #Diagnosis ... #Algorithm #Causes ... #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... • Ventricles: Ventricular ... Flutter (AFL), ... #Differential #Diagnosis ... #Causes #cardiology
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Escape Rhythm • Ventricular ... • Premature ventricular ... #Differential #Diagnosis ... #Algorithm #causes
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
nodal conduction Uses ... and atrial flutter ... Digoxin effect on ECG ... biphasic T waves - Short ... #Cardiology #Digitalis
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... FLUTTER • HEART ... • PREMATURE VENTRICULAR ... #Differential #Diagnosis ... #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
200ms from longer pause ... Distal AV block - ventricular ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... also a result of atrial ... Wave in V1 • Shift ... in relation to ECG ... Embolism #AcutePE #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Flutter PR Interval ... aVF) • Right ventricular ... de pointes • Short ... #diagnosis #system
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... flutter, or atrial ... supraventricular or ventricular ... tachycardia • Ventricular ... #Palpitations #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
capture of the atria ... Differential Diagnosis ... arrhythmia • Atrial ... Complexes #PVCs #PVC #diagnosis ... #differential #cardiology