9 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... • Drugs • Pulmonary ... diuretics) With edema ... Reduced GFR, AKI/CRF ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... • Drugs • Pulmonary ... diuretics) With edema ... Reduced GFR, AKI/CRF ... #Hyponatremia #Nephrology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Hemoptysis, Peripheral edema ... symptomatology Differential ... high resolution chest ... Renal #Syndrome #differential ... #diagnosis #nephrology
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Differential Diagnosis ... the right middle lobe ... infiltrates on chest ... scattered crackles, chest ... #differential #diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Left Shunt - Anatomic ... Edema, Atelectasis ... Hypoxia #hypoxemia #differential
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
Upper Lobe Lung ... caused by a rigid chest ... edema in acute ... edema • Metabolic ... lung #diseases #differential
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
even within each lobe ... transudate like in CHF ... Clinical #Radiology #CTChest ... #CHF #Alveolar ... #Pulmonary #Edema
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lymphadenopathy, pulmonary ... Imaging: cerebral edema ... due to increased CSF ... Tuberculosis #diagnosis #differential ... #TB #neurology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... of right middle lobe ... massiliense in CF ... • Dyspnea, • Chest ... NTM #Infections #differential