14 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
through SA Node, Atrium ... , AV Node, Bundle ... Ventricle • Sinus ... Pathophysiology #SVT ... #diagnosis #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... Regular Rhythm: Sinus ... AVRT, Pre-excited SVT ... #Differential #Diagnosis ... #cardiology
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
- Differential Diagnosis ... Sinus Tachycardia ... , MAT, Sinus Tachycardia ... #Differential #Diagnosis ... #Management #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... flutter (3) SVTs ... bradyarrhythmia #ECG #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... EKG findings: Sinus ... supraventricular tachycardia (SVT ... #leadAVR #ecg #electrocardiogram ... #diagnosis #ekg
Bradycardia - Differential Diagnosis Framework and Management
Narrow Complex Bradycardia:
 • Regular: Sinus Bradycardia, AFib w/ AV
- Differential Diagnosis ... AFib w/ AV Block, Atrial ... Regular: Regular SVT ... Irregular: Irregular SVT ... #Management #cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
- Differential Diagnosis ... and Management ... • Sinus Tachy ... • Atrial Flutter ... #Management #cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Adrenergic Drive: • Sinus ... also a result of atrial ... • Non-specific ST-T ... Embolism #AcutePE #diagnosis ... #cardiology #electrocardiogram
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Hypokalemia • Bundle ... capture of the atria ... Differential Diagnosis ... tachycardia • Sinus ... arrhythmia • Atrial
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... wide-complex tachycardia: bundle ... benefit of restoring sinus ... Fibrillation #AFib #diagnosis ... #management #cardiology