26 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... Secondary to chronic lung ... • Hypoxia • Pulmonary ... #Multifocal #Atrial ... Tachycardia #MAT #Cardiology
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
Hepatopulmonary Syndrome ... Pulmonary vasculature ... Diseases of the lung ... Patients with liver ... Alveolar-arterial
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Tomography (CT) - Arterial ... portal venous, T1 arterial ... - Early arterial ... Grayscale phase, Late arterial ... Contrast #CT #MRI #POCUS
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary Syndrome ... Summary A defect in arterial ... absence of intrinsic lung ... cycles after right atrial ... passage • Arterial
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... , Interstitial Lung ... Gradient #alveolar #arterial
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
• Diffuse Lung ... Respiratory Distress Syndrome ... • Chronic Lung ... Arterial Hypertension ... #HeartFailure #Cardiology
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
760 mm Hg at sea level ... obesity-hypoventilation syndrome ... : Interstitial lung ... hepatopulmonary syndrome ... shunting (eg, atrial
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
Atrial Fibrillation ... Noncardiac: • Pulmonary ... risk factors Atrial ... identify left atrial ... test for DM Atrial
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
• Initial Management ... Ensure leg is at level ... outflow and reduces arterial ... Syndrome usually ... • Management:
Portopulmonary Hypertension
Presence of pulmonary arterial hypertension in a patient with portal hypertension
No other obvious causes (chronic
arterial hypertension ... causes (chronic lung ... ventricular size, Right atrial ... hemodynamics Liver ... Hypertension #diagnosis #management