12 results
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Aflutter • AVNRT ... interval) • AFib ... aberrancy - Wide ... tachyarrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
• ST vs SVT (AVNRT ... AFIutter + variable block ... whether AF is cause ... Tx: Underlying cause ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Tachyarrhythmias - HR > 100 Wide ... 200ms from longer pause ... can function) Wide ... - ventricular pacemaker ... electrocardiogram #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Summary of Heart ... Pacemaker 3rd Degree, Complete ... Classification #degrees #summary ... electrocardiogram #ecg ... #cardiology
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... in duration or wide ... atrioventricular #blocks #AVBlock ... #cardiology #ekg ... classification #summary
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Waves/Fibrillary = afib ... > 40 ms (1 mm) wide ... aVF) • Right ventricular ... Interpretation #ECG ... Electrocardiogram #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Complexes (PVC's ... ) - Summary Framework ... heart disease Causes ... Bundle branch block ... #differential #cardiology
Ventricular Fibrillation on POCUS Echocardiogram - Parasternal Short Axis

50's male witnessed arrest. Unknown hx. AED no
Ventricular Fibrillation ... on POCUS Echocardiogram ... Wide complex rhythm ... getting 12 lead ECG ... #ultrasound #Cardiology
Ventricular Fibrillation on POCUS Echocardiogram - Subcostal 4 Chamber

50's male witnessed arrest. Unknown hx. AED no
Ventricular Fibrillation ... on POCUS Echocardiogram ... Wide complex rhythm ... getting 12 lead ECG ... #ultrasound #Cardiology
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
) Summary Symptoms ... waves • Irregular wide-complex ... bundle branch block ... (< 5% pts with afibb ... diagnosis #management #cardiology