2. Answer the following questions after looking at lab...

2. Answer the following questions after looking at lab data: a) Calculate MCV, MCH, MCHC b) Indicate which results are abnormal, stating if they are low, high, or potentially critical c) Predict what kind of anemia the patient might have based on their interpretations. Data Set 1: RBC: 2.36 x 10$^{12}$/L WBC: 6.73 x 10$^{9}$/L Hgb: 7.3 g/dL Hct: 21.9% Plt: 263 x 10$^{9}$/L RDW: 14.5% Data Set 2: RBC: 1.96 x 10$^{12}$/L WBC: 8.74 x 10$^{9}$/L Hgb: 5.1 g/dL Hct: 15.2% Plt: 337 x 10$^{9}$/L RDW: 15.7%

Transcript

00:01 To answer this question, let us understand some few terms.

00:03 So first is mean corpuscular volume, that is mcv.

00:14 So it is the volume of red blood cells in blood.

00:26 And it is expressed in femtoletres, that is fl.

00:38 Its normal range is from 80 to 100 femtoliter.

00:50 This is the normal range.

00:53 Then high mcv is the volume of rcb is increased because increase in their size.

01:15 Occurs in pernicious macrositic anemia.

01:32 Then low mcv the size of rbc is decreased decreasing its total volume so it occurs in iron deficiency anemia then comes mch so mch is mean corpuscular haemoglobin so it is the mass of hemoglobin present in individual red blood cells that is rbcs and it is expressed in picograms so its normal range is 27 to 31 picograms per cell low mch means it becomes low when production of hgb that is hemoglobin is low or size of rbc is reduced it occurs in iron deficiency anemia.

03:35 Let us calculate the mcv in femtoleters.

03:43 It will be hct % into 10 divided by rbc count.

03:57 That is million per meter cube.

04:04 So for data set 1, here hct % is equals to 21 .9 % rbc count is equal to 2 .36 multiplied by 10 to the power 12 divide per per liter equals to 2 .36 million per micro liter or mmq.

04:48 Therefore mcv is equal to 21 .9 multiplied by 10 divided by 2 .36 equals to 92 .79 femtoleters.

05:11 For data set 2 here hct percent is 15 .2 percent.

05:25 So rbc count is 1 .96 multiplied by by 10 to the power 12 per liter equals to 1 .96 million per mq.

05:50 So mcv here is equals to 15 .2 multiplied by 10 by 1 .96, that is equals to 77 .5 and 2...

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