Management
Management is dependent upon the severity, or degree, of the blockage, the consistency of symptoms, as well as the cause of the AV block.Patients with first-degree AV block do not have any resulting severe or life-threatening symptoms, such as symptomatic bradycardia or hypotension, and, thus, do not require treatment.Similarly, patients with second-degree Mobitz I AV block rarely develop life-threatening symptoms, and patients who are asymptomatic do not require treatment. However, in some cases, patients with Mobitz I block can develop life-threatening symptoms that require intervention. These patients often respond well to atropine, but may require temporary transcutaneous pacing or transvenous pacing until they are no longer symptomatic.Patients with second-degree Mobitz II and third-degree heart block are much more likely to have symptomatic bradycardia and hemodynamic instability, such as hypotension. Additionally, there is an increased risk of patients with Mobitz II heart block developing third-degree heart block. Therefore, these patients often require temporary pacing with transcutaneous or transvenous pacing wires, and many will ultimately require a permanent implanted pacemaker.If the heart block is found to be caused by a reversible condition, such as Lyme disease, the underlying condition should first be treated. Often, this will lead to resolution of the heart block and the associated symptoms. References
External links

Second-Degree Atrioventricular Block at eMedicine
Ancylostomiasis  is a hookworm disease caused by infection with Ancylostoma hookworms. The name is derived from Greek ancylos αγκύλος  "crooked, bent" and stoma στόμα "mouth". Ancylostomiasis is also known as miners anaemia, tunnel disease, brickmakers anaemia and Egyptian chlorosis. Helminthiasis may also refer to ancylostomiasis, but this term also refers to all other parasitic worm diseases as well. In the United Kingdom, if acquired in the context of working in a mine, the condition is eligible for Industrial Injuries Disability Benefit. It is a prescribed disease (B4) under the relevant legislation.§Ancylostomiasis is caused when hookworms, present in large numbers, produce an iron deficiency anemia by sucking blood from the hosts intestinal walls. Signs and symptoms
Depending on the organism, the signs and symptoms vary. Ancylostoma duodenale and Necator americanus can enter the blood stream while Ancylostoma braziliensis cannot. Signs and symptoms of Ancylostoma duodenale and Necator americanus are given in corresponding page.In Ancylostoma braziliensis as the larvae are in an abnormal host, they do not mature to adults but instead migrate through the skin until killed by the hosts inflammatory response. This migration causes local intense itching and a red serpiginous lesion. Treatment with a single dose of oral ivermectin results in cure rates of 94–100%. Causes
The infection is usually contracted by people walking barefoot over
contaminated soil. In penetrating the skin, the larvae may cause an allergic
reaction. It is due to the itchy patch at the site of entry that the early
infection gets its nickname "ground itch".