12 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Sinus Tachy ... • Atrial Flutter ... waves, is MAT ... • Hyperkalemia ... Diagnosis #Management #cardiology
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial ... complex (PAC) - ... look like the sinus ... #complexes #cardiology ... diagnosis #ekg #ecg #electrocardiogram
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... 3 different P wave ... Sinus tachycardia ... Atrial flutter ... diagnosis #causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
SVTs - atrial/junctional ... (3) Multifocal atrial ... 3 different P waves ... EKG #diagnosis #electrocardiogram ... #cardiology #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Flutter PR Interval ... Lose P • 3° Complete ... through) QRS Complex ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... Wandering Atrial ... #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
bundle-branch block; and sinus ... Disorders: • Hyperkalemia ... • Hypercalcemia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Severe Mitral Stenosis- The physical examination revealed a right parasternal heave, a loud S1, a midpeaking
An electrocardiogram ... showed atrial flutter ... The continuous-wave ... clinical #doppler #radiology ... #NEJM #mitral #
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypomagnesemia • Hypokalemia ... expected for the next sinus ... capture of the atria ... tachycardia • Sinus ... arrhythmia • Atrial
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
encompassing a QRS complex ... intervening QRS complex ... Wandering Atrial ... #Arrhythmia #cardiology ... diagnosis #ekg #ecg #electrocardiogram