23 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... #differential # ... diagnosis #table ... #neurology
Causes of Pediatric Constipation - Differential Diagnosis Algorithm
Dietary / Functional:
 • Insufficient Volume / Bulk
Neurologic:
 •
Causes of Pediatric ... Diagnosis Algorithm ... Withholding • Painful (e.g ... Guillain-Barré Syndrome ... #Causes #Peds #
Pediatric Constipation - Differential Diagnosis Algorithm
Dietary/Functional
 • lnsufficient Volume / Bulk
Neurologic
 • Hirschsprung's Disease
 • Imperforate
Constipation - Differential ... Diagnosis Algorithm ... Withholding • Painful (e.g ... Guillan-Barré Syndrome ... #Causes #Peds
Causes of Developmental Delay - Differential Diagnosis Algorithm
Isolated Domain Delay - Reduced Respiratory Drive:
 • Cognitive
Causes of Developmental ... Delay - Differential ... Teratogenic Disorder (e.g ... • Mechanical (e.g ... #Causes #Peds #
Causes of Congenital Anomalies - Differential Diagnosis Algorithm
Malformation
 • Embryonic development failure or inadequacy (often multifactorial)
Deformation
Causes of Congenital ... normal tissue (e.g ... of Anomalies (Syndromic ... • Association (e.g ... #Causes #Peds #
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Liver Failure • Hypercalcemia ... Pulmonary Disease Neurologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... voltage Other Causes ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Sleep Deprivation (Eg ... Disorders • Neurologic ... Disorders (Eg. ... • Medications (Eg ... • Drug Abuse (Eg
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
(e.g., long QT ... syndrome, ARVC) ... heart disease Causes ... Hypomagnesemia • Hypokalemia ... 300 = NSVT EKG
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... risk factors (eg ... hypertension (eg ... hypertension (eg ... #Differential #