12 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoventilation: CNS ... neuromuscular disease ... , ↓ chest wall compliance ... Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
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 ... UnremarkableLab #AA ... #hypoxemia #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
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
sinusitis - pulmonary ... pancreatitis Erdheim-Chester ... disease: - Bone ... Coronaries #Arteritis #Differential ... #Diagnosis #Cardiology
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
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Inflammatory eye disease ... Other tests: • CT chest ... typically seen on chest ... #diagnosis #management
Atrial Fibrillation (A-Fib) Summary

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

Why?
Cardiac:
	• Valvular heart
exercise intolerance, chest ... Noncardiac: • Pulmonary ... disease • Drugs ... AFib #diagnosis #management ... #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... flip-flopping in the chest ... Pheochromocytoma • Pulmonary ... #Palpitations #Cardiology ... #Differential #
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... Endocarditis #diagnosis #management ... #cardiology
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
Differential Diagnosis ... Valvular heart disease ... cardiomyopathy • Pulmonary ... Serial TTE and close ... #cardiology #treatment