42 results
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Internal Jugular ... Vein Rouleaux Flow ... on POCUS Amazing ... #Internal #Jugular ... #IJ #Vein #POCUS
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
and prolongs PR interval ... potential • Prolongs QT ... interval Class ... AP cells • Slow ... and prolongs PR interval
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... (constant R-R Interval ... (variable R-R interval ... setting of long QT ... Differential #Diagnosis #Algorithm
Electrocardiographic Features of Digoxin Toxicity
 • Virtually any arrhythmia is possible. None specific for digoxin toxicity
automaticity) with slow ... Shortening of QT ... interval • "Scooped
Internal Jugular Vein Thrombosis on POCUS
Here's a great ultrasound showing an unexpected MASSIVE internal jugular vein
Internal Jugular ... on POCUS Here's ... unexpected MASSIVE internal ... @EM_RESUS #Internal ... #Thrombosis #POCUS
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... that prolong the QT ... interval
Causes of Ascites - Differential Diagnosis Algorithm
Portal Hypertension - Prehepatic:
 • Portal vein thrombosis
 • Splenic
Differential Diagnosis Algorithm ... Prehepatic: • Portal vein ... thrombosis • Splenic vein ... Frameworks for Internal ... Differential #Diagnosis #Algorithm
Six-step approach to ultrasound-guided central venous catheter placement

I. Identify anatomy of insertion site and localization of
localization of the vein ... • Identify vein ... imaging and Doppler flow ... quantify blood flow ... Ultrasound #Guided #POCUS
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
of phase 4 to slow ... depolarization • ↑ PR interval ... Duration) - ↑ QT ... interval (delays ... velocity) - ↑ PR interval
Recurrent Polymorphic VT/Torsades de Pointes - Management Algorithm
Drugs that prolong QT interval:
 • Class 1a (quinidine,
Pointes - Management Algorithm ... Drugs that prolong QT ... interval: • Class ... Congenital long QT ... TDP #Management #Algorithm