12 results
Atrial Fibrillation Overview

Symptoms:
Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

1. Why?
Cardiac:
• Valvular heart disease
•
Atrial Fibrillation ... Palpitations, light-headedness ... Decompensated HF ... Rate Control • ... #Fibrillation #Cardiology
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... Palpitations, light-headedness ... Decompensated HF ... electrical) • Antiarrhythmic ... diagnosis #management #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... contraction of atrial ... #Pharmacology # ... Classification #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology ... #cardiology
Cervical Central Canal and Neural Foraminal Stenosis Grading

Cervical Central Canal Stenosis Grading
 - Normal - No
effacement - Mild - Partial ... CSF effacement ... effacement +/- slight ... Classification #Diagnosis #Radiology ... #MSK #MRI
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
: WPW, ectopic atrial ... (V5/V6 rs, qs; lat ... Short QT <300-360 ms ... antihistamines, antiarhythmics ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Cheat Sheet 1) Rate ... (e.g. ectopic atrial ... • Saw-Tooth = Atrial ... proportional to heart rate ... Electrocardiogram #cardiology
Graphic representation of transthoracic echocardiographic parameters in the assessment of right ventricular pressure overload. A′ = peak late
A′ = peak late diastolic ... (during atrial ... atrium; RiHTh = ... pulmonary ejection ms ... RightVentricular #Cardiology
BENNETT FRACTURE 
Bennett fracture is an intraarticular two-part fracture of the ulnar side of the base
complications occur late ... • Mechanism: Axial ... management MH/CCF ... Thumb #Metacarpal #Radiology ... #Orthopedics #MSK
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Digoxin Pharmacology ... and Pathophysiology ... Decreased heart rate ... #Pathophysiology ... #cardiology