24 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
depolarization in fast AP ... depolarization in slow ... AP cells • Slows ... depolarization in slow ... AP cells • Slow
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
blocking effects and AP ... Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... Action, ←→ EFR & AP ... phase 2 (↑ERP & ↑AP
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
blocking effects and AP ... Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... Action, ←→ EFR & AP ... phase 2 (↑ERP & ↑AP
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Vein Rouleaux Flow ... on POCUS Amazing ... video of a dilated ... significantly, it causes ... Jugular #IJ #Vein #POCUS
Source of pt's sepsis - bacterial orchitis. Heterogenous testicle with areas of necrosis/abscess with absent flow,
abscess with absent flow ... areas of increased flow ... doppler. 40% of cases ... have high flow ... eabramsMD #Clinical #POCUS
Brudzinski’s Sign in Meningitis (first described in 19th century by Dr. Josef Brudzinski)

Brudzinski's sign is characterized
Passive neck flexion causes ... meningitis, it has low ... Video by Dr. ... Meningitis #Clinical #Video
AAA is defined as a localized balloon-like dilatation of the abdominal aorta greater than 3cm. Risk
The classic triad ... have claimed that POCUS ... Slow, graded compression ... Clinical #Radiology #POCUS
Pitting Edema on Physical Exam

Edema occurs when fluid that accumulates in tissues leads to swelling. When
-Causes may include ... kidney problems, low ... Pedal #Clinical #Video
Dense Spontaneous Echo Contrast (SEC) on POCUS
Rouleaux flow on POCUS.  RBCs stick together to form
Contrast (SEC) on POCUS ... POCUS. ... some COVID-19 cases ... Rouleaux #Blood #flow ... #POCUS #clinical
Internal Jugular Vein Rouleaux Flow on POCUS - Longitudinal View

Amazing video of a dilated IJV showing
Vein Rouleaux Flow ... on POCUS - Longitudinal ... View Amazing video ... significantly, it causes ... Jugular #IJ #Vein #POCUS