61 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 ... inotropy) ACCP Cardiology ... pathophysiology #phases #cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
prolong AV node repolarization ... interval (delays time repolarization ... prolong AV node repolarization ... inotropy) ACCP Cardiology ... pathophysiology #cardiology
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... in slow AP cells ... in slow AP cells ... • Slow sinus rate ... #cardiology #pharmacology
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 #
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
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
Patent Ductus Arteriosus (PDA) on Echocardiogram

Another great teaching clip, this time a patent ductus arteriosus (PDA).
Continuous Ao-to-PA flow ... but fluctuating flow ... Echocardiogram #cardiology ... #pocus #clinical
Systolic Murmurs - Differential Diagnosis Algorithm
Benign / Flow / Hyperdynamic:
 • Pregnancy
 • Fever
 • Anemia
Supravalvular
Differential Diagnosis Algorithm ... Benign / Flow ... Systolic #Murmurs #Cardiology ... Differential #Diagnosis #Algorithm ... #causes
Ruptured Chordae Tendineae on POCUS Echocardiogram
 
Many underlying causes, not limited to: MVP, subacute endocarditis, connective
Chordae Tendineae on POCUS ... Many underlying causes ... Chordae #Tendineae #POCUS ... Echocardiogram #Ultrasound #Clinical ... #Cardiology #MitralValve
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Differential Diagnosis Algorithm ... tardus (delayed/slow ... Abnormalities #Disorders #Cardiology ... Differential #Diagnosis #Algorithm ... #causes