26 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... depolarization in fast AP ... depolarization in slow AP ... depolarization in slow AP ... #cardiology #pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... Action, ←→ EFR & AP ... inotropy) ACCP Cardiology ... pathophysiology #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Action, ↑ EFR & AP ... Action, ↓ EFR & AP ... Action, ←→ EFR & AP ... inotropy) ACCP Cardiology ... pathophysiology #phases #cardiology
The PET better demonstrates the extent of the lymphnode metastases in this patient.
Final diagnosis: small cell
extent of the lymphnode ... #Clinical #Radiology ... PET #APWindow #AP
Anatomy of the Knee X-ray - AP projection. ⁣⁣
It’s important to be able to identify the
the Knee X-ray - AP ... typically use the AP ... To asses the patella ... xray #clinical #radiology ... #anatomy #ap #radiology
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 ... Ultrasound #Clinical #Cardiology
Causes of Gallbladder Wall Thickening - Differential Diagnosis
 • Physiologic: Contracted gall bladder in a non-fasting
Causes of Gallbladder ... Differential #Diagnosis #radiology ... #POCUS #ultrasound
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... interval Class ... quridine) Class ... TorsadesDePointes #Diagnosis #Cardiology
AAA is defined as a localized balloon-like dilatation of the abdominal aorta greater than 3cm. Risk
The classic triad ... have claimed that POCUS ... #Clinical #Radiology ... #POCUS #Abdominal
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
There were classic ... Echocardiogram #a4c #pocus ... #clinical #cardiology