17 results
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
Autoimmune:
 • Isolated
 • Polyglandular autoimmune syndrome 1
 •
Differential Diagnosis Algorithm ... Polyglandular autoimmune syndrome ... Fungal • HIV/AIDS ... • Pituitary dysfunction ... • Hypothalamic dysfunction
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Differential Diagnosis Algorithm ... Afferent Pupil Defect ... Midbrain (Parinaud's Syndrome ... Neuromuscular Junction Dysfunction ... Differential #Diagnosis #Algorithm
Causes of Adrenal Insufficiency - Differential Diagnosis Algorithm
ACTH-Dependent (Secondary):
 • Pituitary Dysfunction
 • Hypothalamic Dysfunction
ACTH-Independent (Primary):
Differential Diagnosis Algorithm ... : • Pituitary Dysfunction ... • Hypothalamic Dysfunction ... Polyglandular Autoimmune Syndrome ... Disseminated Fungal, HIV/AIDS
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
renal tubular dysfunction ... - Gitelman syndrome ... - Genetic defects ... - Hungry bones syndrome ... Differential #Diagnosis #Low
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Differential Diagnosis Algorithm ... bowel or bladder dysfunction ... use, neuromotor deficits ... • Cauda Equina Syndrome ... Differential #Diagnosis #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Myocardial • Systolic Dysfunction ... • Diastolic Dysfunction ... Acute Coronary Syndrome ... Pneumonia • ARDS
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Differential Diagnosis Algorithm ... • Gitelman's syndrome ... ab • Genetics defects ... Hypomagnesemia #Magnesium #Low ... Differential #Diagnosis #Algorithm
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... flail chest) • Low ... Extreme Elevation, Low ... : Atelectasis, ARDS ... • Diffusion Defect
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Differential Diagnosis Algorithm ... Uteroplacental Dysfunction ... Uterine Blood Flow ... Antiphospholipid syndrome ... Differential #Diagnosis #Algorithm
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
barrier (BBB), and infects ... ARVs can have low ... The clinical syndrome ... Behavioral • Motor dysfunction ... disorder #dementia #AIDS