37 results
Antiplatelet Drugs and their Actions

- Amy Chung, MD, MSc
@AmyChung

#Antiplatelet #Medications #Pharmacology #Pathophysiology #Drugs #Agents #COX #GIIbIIIa
Amy Chung, MD, MSc ... #Antiplatelet #Medications ... #Pharmacology # ... Pathophysiology
Coagulation Cascade and Anticoagulant Sites of Action

- Amy Chung, MD, MSc https://twitter.com/AmyChung

#AntiCoagulation #Cascade #Anticoagulants #Medications #Pharmacology
Amy Chung, MD, MSc ... Anticoagulants #Medications ... #Pharmacology # ... Pathophysiology
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 ... Noncardiac: • Pulmonary ... Rate Control • ... Anticoagulation #Atrial
Digoxin 101 - Pharmacology
Indications:

1) Tachyarrhythmias 
 • Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardias
 • ↑ Vagal
Digoxin 101 - Pharmacology ... Indications: ... Tachyarrhythmias • Atrial ... Fibrillation, Atrial ... nodal delay (ie rate
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 ... Noncardiac: • Pulmonary ... block or WPW Rate ... Absolute warfarin indications
Right Heart Catheterization Cheat Sheet: Interpretation of Pressures and Waveforms 
Direct measurements
 ● Central venous pressure
pressures (RA, RV) ● Pulmonary ... (PAp) ● Pulmonary ... – CVP]/CO) ● Pulmonary ... SVI = CI/heart rate ... filling in atrial
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 = ... acceleration time of pulmonary ... ejection ms and
Non-Invasive Positive Pressure Ventilation
Indications: 
 • COPD exacerbation (↓ intubation, ↓ mortality), Cardiogenic pulmonary edema (↓
Pressure Ventilation Indications ... ), Cardiogenic pulmonary ... airway / remove mask ... Helmet, Full Face, Partial ... #pulmonary #interfaces
Dihydropyridine Calcium Channel Blockers

Mechanism of Action:  L-Type calcium channel blockade - Inhibits the influx of
vasodilation Indications ... : Angina (with rate ... raynauds phenomenon, pulmonary ... Blockers #CCB #pharmacology
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... disorders - Chronic pulmonary ... fibrillation at a rate ... Infarction • Pulmonary ... Differential #Diagnosis #Pathophysiology