24 results
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
: Commonly no signs ... pain Psychiatric Symptoms ... Hyperparathyroidism #diagnosis ... #endocrinology ... #Tertiary #pathophysiology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
vomiting • Fatigue Signs ... Reduced libido • Signs ... Serum DHEAS Diagnosis ... addisons #disease #endocrinology ... #diagnosis #signs
21-Hydroxylase Deficiency (21-OHD): Pathogenesis and Clinical Findings
Autosomal recessive mutation in CYP21A2 coding for the enzyme 21-OHase
enzyme 21-OHase causes ... Signs/Symptoms/Complications ... #pathophysiology ... #genetics #endocrinology ... #peds #pediatrics
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
• Other rare causes ... Overproduction #diagnosis ... #signs #symptoms ... #endocrinology ... #pathophysiology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... reflexes) • Urinary ... Syndrome #MSK #pathophysiology ... #diagnosis #symptoms ... #signs
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Viral replication causes ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
IgA Vasculitis – ... periumbilical region), nausea ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs ... #Symptoms
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... renal bruit or signs ... Coarctation of aorta, Vasculitis ... • Endocrinologic ... Hypothyroidism, Primary
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
Primary Biliary ... 65 years PBC Pathophysiology ... intralobular bile ducts causes ... failure PBC Signs ... and Symptoms:
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
hair follicles -> causes ... Livedo Reticularis, Vasculitis ... Manifestations #pathophysiology ... #diagnosis #signs ... #symptoms #complications