58 results
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Phase I - Initial Repolarization ... Delays ventricular repolarization ... - Ventricular Repolarization ... Vaughan Williams Classification ... #Pharmacology #Classification
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization ... #Pharmacology #Classification
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... in slow AP cells ... in slow AP cells ... • Slow sinus rate ... VaughanWilliams #Classification
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Vein Rouleaux Flow ... on POCUS Amazing ... significantly, it causes ... Jugular #IJ #Vein #POCUS ... #vascular #clinical
Moderate Hydronephrosis on POCUS

Be sure to add color doppler to your images to ensure that what
Hydronephrosis on POCUS ... that would have flow ... (i.e. vascular ... Hydronephrosis #Moderate #POCUS ... Renal #Ultrasound #Clinical
Mild Hydronephrosis on POCUS

Be sure to add color doppler to your images to ensure that what
Hydronephrosis on POCUS ... that would have flow ... (i.e. vascular ... Hydronephrosis #Mild #POCUS ... Renal #Ultrasound #Clinical
Severe Hydronephrosis on POCUS

Be sure to add color doppler to your images to ensure that what
Hydronephrosis on POCUS ... that would have flow ... (i.e. vascular ... Hydronephrosis #Severe #POCUS ... Renal #Ultrasound #Clinical
Causes of Headache - Differential Diagnosis Algorithm
Primary: Tension, Migraine, Cluster
Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
Causes of Headache ... Differential Diagnosis Algorithm ... cell arteritis Vascular ... Pseudotumor Cerebri, Low ... #algorithm
An intuitive way to use ultrasound to evaluate sick patients along the peri-shock to full shock
spectrum, based on clinical ... High or Think Low ... #Diagnosis #POCUS ... Evaluation #Protocol #Algorithm ... #Low #Abdomen #
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Low intake ... Differential #Diagnosis #Algorithm ... #Causes #Classification