39 results
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... Hyponatremia #Algorithm #Pathophysiology ... #Diagnosis #Differential ... #Nephrology #UOsm
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... Purple #Urine #Bag ... Syndrome #PUBS #pathophysiology ... clinical #photo #differential
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Dilated Pupil - Differential ... lntracranial hemorrhage, SAH ... Dilated #Pupil #differential ... #diagnosis #neurology
Causes of Primary Headaches - Differential Diagnosis Algorithm
Unilateral
 • Migraine (Throbbing/Pulsating)
Bilateral
 • Tension/Stress Headache (Tightening, Band-Like,
Primary Headaches - Differential ... Autonomic Cephalgias - Last ... Clusters, Other - Last ... Primary #Headaches #Neurology ... #Differential #
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Hyperkalemia Differential ... • Excessive fist ... #Hyperkalemia #Differential ... potassium #high #pathophysiology
Stroke Etiologies
Hemorrhagic (IPH, SAH)
Ischemic
 - Large Vessel Atherosclerosis
 - Cardioembolic: Atrial fib, prosthetic valves, LV aneurysm,
Hemorrhagic (IPH, SAH ... Stroke #causes #differential ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Sudden, severe, can last ... Varies • No neurologic ... position change • Neurologic ... Vertigo #Algorithm #differential ... #diagnosis #neurology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Density of water SG ... to ADH) • ATN SG ... kidney failure SG ... Interpretation #diagnosis #differential ... #nephrology
Abnormally Colored Urine - Differential Diagnosis Framework
Red:
 - Hematuria, Hemoglobinuria, Myoglobinuria
 - Beets, Rhubarb, Blackberries, Artificial
Colored Urine - Differential ... - Purple urine bag ... Discoloration #Differential ... #Diagnosis #nephrology
Causes of Scrotal Mass - Differential Diagnosis Algorithm
Painful - Sudden Onset
 • Testicular Torsion
 • Torsion
Scrotal Mass - Differential ... Varicocele - Soft / "Bag ... ScrotalMass #Testicular #Urology ... #Differential #