1125 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... depolarization in fast AP ... Widens QRS complex Class ... depolarization in slow AP ... depolarization in slow AP
Drugs Causing Acute Pancreatitis

Class Ia: The medications in which there was a rechallenge and other causes
Pancreatitis Class ... of AP are ruled ... Class lb: Atleast ... Class II: Cases ... Class IV: Weakest
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
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 ... #knee #xray #clinical ... #radiology #msk
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
of patella then ask ... @PTstep_ #Clarkes ... Patellar #Grind #clinical ... Patellofemoral #msk
Differential Diagnosis of Pleuritic Chest Pain:

Categorized by causes: Cardiac, Pulmonary, MSK, Drug/Toxins, Heme/Onc, Renal, Autoimmune

#Diagnosis #Pleuritic
Categorized by causes ... Cardiac, Pulmonary, MSK ... Pleuritic #ChestPain #Causes
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
Haglund Syndrome - MSK ... >1 mm AP, ... Syndrome #Heel #clinical ... #mri #clinical ... Radiology #diagnosis #msk
Approach to Low Back Pain - Differential Algorithm
- Non-MSK
- Axial / Musculoskeletal
- Radicular
- Systemic Disease (Do
Algorithm - Non-MSK ... Differential #Algorithm #Causes
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Causes: Calcific ... diagnosis #sports #MSK