22 results
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Hypoventilation: CNS ... Hypoxemia #Hypoxia #Differential ... Diagnosis #Algorithm #pulmonary ... #Aa #Gradient
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS ... Intracardiac, Pulmonary ... V/Q Mismatch: Pulmonary ... , Atelectasis, Pulmonary ... Hypoxia #hypoxemia #differential
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Movement Disorders • CN ... Nerve Palsy • CN ... Nerve palsy • CN ... VI (Abducens) Nerve ... ophthalmology #neurology #differential
Hepatopulmonary Syndrome (HPS) 

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

HPS-diagnosis:
1. Patients
(HPS) HPS-differential ... Pulmonary vasculature ... Alveolar-arterial oxygen gradient ... HPS #hepatology #pulmonary
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
of Orthopnea - Differential ... Noncardiogenic pulmonary ... - Cardiogenic pulmonary ... manipulation - CNS ... #Orthopnea #Differential
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... lung diseases, pulmonary ... gravity-dependent gradients ... Failure #hypoxia #Differential ... #Diagnosis #pulmonary
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... HIV-Associated CNS ... , palsy of the abducens ... #Infections #differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... the lung) - CNS ... hemorrhage) - Pulmonary ... #Hyponatremia #Differential
Distal Renal Tubular Acidosis
Distal RTA is the true Nephrogenic RTA and can be truly divided into
inhibitors) • H gradient ... mutations) - CNI ... RTA #diagnosis #differential
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Stress, Nausea, Pulmonary ... Diseases, CNS Disease ... #Hyponatremia #Differential