29 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Secondary to chronic ... lung disease (COPD ... • Hypoxia • Pulmonary ... Tachycardia #MAT #Cardiology
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Diseases - Pneumonia ... Glass Opacity - Chronic ... #Diseases #Radiology ... Lung #CXR #XRay #ChestCT ... #Differential #
Atrial Fibrillation Overview

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

1. Why?
Cardiac:
• Valvular heart disease
•
Atrial Fibrillation ... exercise intolerance, chest ... Noncardiac: • Pulmonary ... #Fibrillation #Cardiology ... #Management #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... • Sub-Valvular Disease ... Arrhythmia • Atrial ... Thickening/Masses Chest
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea - Differential ... Diagnosis Pulmonary ... /Chest Wall: • ... Pleural effusion, Pulmonary ... hernia, Obesity CNS
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
In chronic disease ... disease that is ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
sinusitis - pulmonary ... pancreatitis Erdheim-Chester ... osteosclerosis) - Right atrial ... Coronaries #Arteritis #Differential ... #Diagnosis #Cardiology
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Syndrome • Chronic ... Arterial Hypertension ... #HeartFailure #Cardiology ... #Differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Weakness, Loss of Chest ... Elasticity (flail chest ... Gradient #alveolar #arterial ... #hypoxemia #differential
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... asthma • Pleural disease ... Hypoventilation: • CNS ... MG, ALS) • ↓ chest ... Hypoxemia #Hypoxia #differential