10 results
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Isocoria - Pupillary ... Differential Diagnosis Algorithm ... Nerve Tumor • Retinal ... #Isocoria #Pupillary ... #Causes #Ophthalmology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Relative Afferent Pupillary ... Optic nerve* (main cause ... ), Retina, Macula ... neuritis due to MS How ... #Defect #RAPD #neurology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Differential Diagnosis Algorithm ... Tumor Low Renin ... Renin, Low Aldosterone ... #Causes
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
pupillary dilation ... dissociation • Other causes ... Anisocoria - same pupillary ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... , NGT suction, Low ... hyperaldosteronism • High PRA: Renal ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Renovascular HTN, Renin ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... suggests extra-renal ... causes • Laxative ... consumption • Low ... #low
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... Creatinine • Chronic renal ... Renin, Low Aldosterone ... IntercellularShift #Nephrology ... #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Differential Diagnosis Algorithm ... aldosterone • Renal ... renin, Low aldosterone ... #Hypokalemia #Nephrology ... Differential #Diagnosis #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... , NGT suction, Low ... hyperaldosteronism • High PRA: Renal ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes