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Anatomy

Lower Limb

Question 161 of 180

You are demonstrating a vascular examination to  group of medical students. The dorsalis pedis artery pulse is best palpated at which of the following sites:

Answer:

The dorsalis pedis pulse can be palpated on the dorsal surface of the foot between the tendon of the extensor hallucis longus and the tendon of the extensor digitorum longus to the second toe.

Dorsalis Pedis Artery

Anatomy / Lower Limb / Dorsum of Foot

Last Updated: 24th January 2019

The dorsalis pedis artery begins as the anterior tibial artery crosses the ankle joint.

It passes anteriorly over the dorsal aspect of the tarsal bones and then passes inferiorly to join the deep plantar arch in the sole of the foot along with branches from the posterior tibial artery.

The dorsalis pedis pulse can be palpated on the dorsal surface of the foot between the tendon of the extensor hallucis longus and the tendon of the extensor digitorum longus to the second toe.

Modified by FRCEM Success. Original by Henry Vandyke Carter [Public domain], via Wikimedia Commons

Dorsalis Pedis Artery. (Image modified by FRCEM Success. Original by Henry Vandyke Carter [Public domain], via Wikimedia Commons)

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  • Biochemistry
  • Blood Gases
  • Haematology
Biochemistry Normal Value
Sodium 135 – 145 mmol/l
Potassium 3.0 – 4.5 mmol/l
Urea 2.5 – 7.5 mmol/l
Glucose 3.5 – 5.0 mmol/l
Creatinine 35 – 135 μmol/l
Alanine Aminotransferase (ALT) 5 – 35 U/l
Gamma-glutamyl Transferase (GGT) < 65 U/l
Alkaline Phosphatase (ALP) 30 – 135 U/l
Aspartate Aminotransferase (AST) < 40 U/l
Total Protein 60 – 80 g/l
Albumin 35 – 50 g/l
Globulin 2.4 – 3.5 g/dl
Amylase < 70 U/l
Total Bilirubin 3 – 17 μmol/l
Calcium 2.1 – 2.5 mmol/l
Chloride 95 – 105 mmol/l
Phosphate 0.8 – 1.4 mmol/l
Haematology Normal Value
Haemoglobin 11.5 – 16.6 g/dl
White Blood Cells 4.0 – 11.0 x 109/l
Platelets 150 – 450 x 109/l
MCV 80 – 96 fl
MCHC 32 – 36 g/dl
Neutrophils 2.0 – 7.5 x 109/l
Lymphocytes 1.5 – 4.0 x 109/l
Monocytes 0.3 – 1.0 x 109/l
Eosinophils 0.1 – 0.5 x 109/l
Basophils < 0.2 x 109/l
Reticulocytes < 2%
Haematocrit 0.35 – 0.49
Red Cell Distribution Width 11 – 15%
Blood Gases Normal Value
pH 7.35 – 7.45
pO2 11 – 14 kPa
pCO2 4.5 – 6.0 kPa
Base Excess -2 – +2 mmol/l
Bicarbonate 24 – 30 mmol/l
Lactate < 2 mmol/l

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