things to do today observe urinalysis plates –note hemolysis & count colonies on bap...

Things to Do Today

• Observe Urinalysis Plates– Note hemolysis & Count Colonies on BAP– Observe EMB plate

• Blood Lecture

• Blood Typing

• Differential WBC Count

• Observe Parasitic Blood Slides

Whole Blood

• Plasma

• Buffy coat

• Hematocrit

RBC Disorders

• Anemias

-hemolytic

-Iron deficiency

-aplastic

-sickle cell

Polycythemia

Wikipedia Commons, used with permission

WBCs

WBCs

monocyte

lymphocyte

neutrophil eosinophil basophil

Wiley

WBCs

WebPath, used with permission

WBCs

lymphocyte monocyteMedicine USC, used with permission

Vs.

Leukocyte Disorders

• Leukemia

• Infectious mononucleosis

• Leukopenia

Formation of platelets

Clotting

Blood Types

Hemolytic DZ of the Newborn

• Mom must be Rh (-)

• Father must be Rh (+)

• A child must be Rh (+)

• A subsequent child must be Rh (+)

Hemolytic DZ of the Newborn

Blood typing

Watch demo of Blood Smear

10 sec in dye

20-24 sec in rinse

Blood Parasites

• Trypanosoma cruzi Chaga’s disease

• Leishmania Leishmaniasis

• Plasmodium vivax Malaria

• Trypanosoma gambiense Sleeping sickness

Microbe Disease

Trypanosoma cruzi

Etiological Agent for Chaga’s disease

KM

1000x

Rhodnius: Vector for Chaga’s disease

AKA assassin bug; kissing bugKM

Blood Parasites





Microbe Disease

Leishmania Life Cycle

Leishmania

Vector: sandfly

KM

1000x

A Patient Suffering from leishmaniasis

leishmaniasis

DermAtlas, used with permission

leishmaniasis

Dermis.net, used with permission

leishmaniasis

Dermatology Image Atlas, used with permission

Blood Parasites





Microbe Disease

Malaria

• Causative agent: Protozoan Plasmodium

• One of the most severe of all parasitic diseases

• Endemic is most tropical areas

• Plasmodium are amoeboid, intracellular protozoa that infect erythrocytes and other tissues

• Transmitted by the female Anopheles mosquito

The Worldwide Incidence of Malaria

The life cycle of the malaria parasite Plasmodium

The “ring” stage of the malarial parasite Plasmodium falciparum

Seen as dark, circular structures within red blood cells

Malaria in RBCs

Plasmodium vivax

Malaria

KM

1000x

Blood Parasites





Microbe Disease

Trypanosoma gambiense

Sleeping Sickness

Vector: Tsetse flyKM

1000x

Blood Types

Type OType ABType A Type B

Anti A

antibodyAnti B

antibody

things to do today observe urinalysis plates –note hemolysis & count colonies on bap...

Documents