38 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
Shock Classification and Differential Diagnosis
SHOCK
 • MAP <65, SBP <90, drop in SBP > 40
 •
Shock Classification ... • High CO / Low ... Blood Loss, GI Losses ... Sophia_Hayes_MD #Shock #Classification ... Diagnosis #Types #criticalcare
Decision tree of FALLS-protocol (Fluid Administration Limited by Lung Sonography). Lung Ultrasound in the hemodynamic assessment
According to Weil classification ... FALLS #protocol #algorithm ... #Pulmonology #CriticalCare ... Shock #Fluids #POCUS
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
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
General schema for respiratory support in patients with COVID-19
Low flow nasal cannula
 • Typically set at
flow nasal cannula ... Iimitation in the flow ... Internet Book of Critical ... management #schema #criticalcare ... hypoxia #failure #algorithm