Lead toxicity: Difference between revisions

Latest revision as of 10:12, 23 October 2020

Background

Pathophysiology

Lead has multisystem effects, and is a powerful neurotoxin

Risk Factors

Occupational exposure to lead:
- Battery manufacturing
- Plumbing
- Mining
- Painting
- Paper hanging
- Auto repair

Clinical Manifestations

Acute exposure
- Abdominal pain and constipation
- Headache, cognitive deficits, and peripheral neuropathy
- Myalgias and arthralgias
- Anemia
- Anorexia
Chronic exposure
- Fatigue and insomnia
- Hypertension
- Neuropsychiatric symptoms
- Nephropathy
- Miscarriage and stillbirth

Investigations

Labs:
- CBC showing microcytic anemia
- Peripheral blood film showing basophilic stippling

Diagnosis

Blood lead level strongly correlates with exposure level and health effects
- Shows acute exposures (i.e. within months)
Since lead deposits in the bones, can do X-ray defraction for cumulative lead exposure

@@ Line 1: / Line 1: @@
-== Risk Factors ==
+==Background==
+===Pathophysiology===
-* Occupational exposure to lead
-** Battery manufacturing
-** Plumbing
-** Mining
-** Painting
-** Paper hanging
-** Auto repair
+*Lead has multisystem effects, and is a powerful neurotoxin
-== Clinical Presentation ==
+===Risk Factors===
-* Acute exposure
-** Abdominal pain and constipation
+*Occupational exposure to lead:
-** Headache, cognitive deficits, and peripheral neuropathy
+**Battery manufacturing
-** Myalgias and arthralgias
+**Plumbing
-** Anemia
+**Mining
-** Anorexia
+**Painting
-* Chronic exposure
+**Paper hanging
-** Fatigue and insomnia
+**Auto repair
-** Hypertension
-** Neuropsychiatric symptoms
+==Clinical Manifestations==
-** Nephropathy
-** Miscarriages and stillbirths Investigations
+*Acute exposure
-* Labs:
+**[[Abdominal pain]] and [[constipation]]
-** CBC showing microcytic anemia
+**[[Headache]], cognitive deficits, and [[peripheral neuropathy]]
-** Peripheral blood film showing basophilic stippling
+**Myalgias and arthralgias
+**[[Anemia]]
+**Anorexia
+*Chronic exposure
+**Fatigue and [[insomnia]]
+**[[Hypertension]]
+**Neuropsychiatric symptoms
+**[[Nephropathy]]
+**[[Miscarriage]] and [[stillbirth]]
+==Investigations==
+*Labs:
+**CBC showing [[microcytic anemia]]
+**Peripheral blood film showing basophilic stippling
+== Diagnosis ==
+* Blood lead level strongly correlates with exposure level and health effects
+** Shows acute exposures (i.e. within months)
+* Since lead deposits in the bones, can do X-ray defraction for cumulative lead exposure
 [[Category:Toxicology]]