Month: December 2020

How do adders reproduce?

Mating takes place in April/May and female adders incubate their eggs internally, rather than laying shelled eggs (which the grass snake does). Adders give birth to around 6 to 20 live young in August or September. Adders feed largely on small rodents and lizards.

Do puff adders lay eggs?

Mating season for puff adders occurs between October and December. Males neck-wrestle other males for the attention of females. Rather than laying eggs in a nest or den, a mother incubates them inside her body. Then—usually between December and April—she gives birth to live young.

How many eggs does a puff adder lay?

A puff adder will generally give birth to 20-40 live young.

Do puff adders come in pairs?

The Puff Adder (Bitis Arietans) is a venomous snake species common in South Africa. They are mostly nocturnal, and solitary, which is why this sighting was so unique. The Puff Adder is one of the few snakes that give birth to live snakes since the egg hatches inside the females body.

How many babies can a puff adder have?

Like black adders, puff adders are ovoviviparous, said Savitzky; the young are born live. Puff adders mate in the spring and give birth to an average of 20 to 50 babies.

Are puff adders aggressive?

The Puff adder is a venomous viper species found in Sub-Saharan Africa and on the Arabian peninsula. This snake is responsible for causing the most snakebite fatalities in Africa owing to various factors, such as its wide distribution, frequent occurrence in highly populated regions, and aggressive disposition.

How does a baby puff adder look?

Some populations are heavily flecked with brown and black, often obscuring other coloration, giving the animal a dusty-brown or blackish appearance. The belly is yellow or white, with a few scattered dark spots. Newborn young have golden head markings with pinkish to reddish ventral plates toward the lateral edges.

Do puff adders have predators?

Of the 42 known predators of puff adders, 15, including dogs and meerkats, rely primarily on their keen sense of smell to locate their prey.

Do puff adders hiss?

Abstract. Puff adders (Bitis arietans), like many other snakes, hiss as part of their defensive repertoire.

Do puff adders spit?

It is also quick to spit its venom and can do so without forming a hood and may even spit from a concealed rock crack or crevice. The Mozambique Spitting Cobra accounts for the most bites in southern Africa, followed by the Puff Adder (Bitis arietans). The cytotoxic venom causes tissue damage, but fatalities are rare.

Can snakes reproduce asexually?

Some of the known snake species to perform asexual reproduction are the Copperheads, water snakes, Cottonmouths, Pit Vipers, and some species of boas. There is one species, the Brahminy Blind snake, that must reproduce this way.

What is a puff adder?

The Puff adder is a venomous viper species found in Sub-Saharan Africa and on the Arabian peninsula. This snake is responsible for causing the most snakebite fatalities in Africa owing to various factors, such as its wide distribution, frequent occurrence in highly populated regions, and aggressive disposition.

How does a puff adder snake breed?

The Puff adder is an ovoviviparous snake species significance the young grow in an egg that hatches within the female’s body. The breeding season generally occurs in spring Once the female snake generates a pheromone utilized to attract the men See also Are Queen Snakes dangerous?

What is the mating season for puff adders?

Their mating season usually takes place between October and December. During this time females produce a pheromone to attract males, which engage in neck-wrestling combat dances. Puff adders are viviparous and females give birth to 50-60 live young after the gestation period that lasts 136-159 days.

How long do puff adders live?

The oldest captive puff adder lived almost 16 years, however it is likely that wild snakes would have a shorter life expectancy due to predation and lack of consistent food sources. There is insufficient data available to give an estimate as to expected life expectancy in wild specimens (Branch, 1998; Po, 2018) ( Branch, 1998; Po, 2018)

Is Tinzaparin better than enoxaparin?

Compared with patients receiving tinzaparin 3500 units, both those receiving enoxaparin had significantly reduced odds of VTE (odds ratio [OR] 0.12; 95% confidence interval [95% CI] 0.02-0.65)] and those receiving tinzaparin 4500 units had significantly reduced odds of VTE (OR 0.18; 95% CI 0.03-0.93).

Are dalteparin and enoxaparin the same?

Conclusions: Dalteparin is equivalent to Enoxaparin in terms of VTE in trauma patients and can be safely used in this population, with no increase in complications and significant cost savings.

Why is LMWH preferred over heparin?

Because LMWH has more predictable pharmacokinetics and anticoagulant effect, LMWH is recommended over unfractionated heparin for patients with massive pulmonary embolism, and for initial treatment of deep vein thrombosis.

Is enoxaparin better than heparin?

New study shows LOVENOX® (enoxaparin sodium injection) is more effective than unfractionated heparin (UFH) for lowering the risk of venous thromboembolism (VTE) in patients with acute ischemic stroke. Warnock, L. B., et al. (2021). Heparin.

What is the difference between tinzaparin and heparin?

The authors recommend the use of tinzaparin as an alternative to standard heparin. It offers more advantages, such as suitability for once-daily dosing, longer half-life and a higher bioavailability when injected subcutaneously.

What is the difference between tinzaparin and dalteparin?

It is known that tinzaparin has greater anti-IIa activity than dalteparin, resulting in an anti-Xa: anti-IIa ratio of 1.5-2.5 compared with 2-2.5 for dalteparin. This could have important implications for clinical practice, but to date few studies have directly compared LMWHs.

What is Dalteparin sodium prescribed for?

Why is this medication prescribed? Dalteparin is used in combination with aspirin to prevent serious or life-threatening complications from angina (chest pain) and heart attacks.

Is Dalteparin a Clexane?

[Clexane (enoxaprin) or Fragmin (dalteparin) for thrombolytic prevention in hip replacement surgery?]

What is the difference between UFH and LMWH?

Compared with UFH, the LMWH enoxaparin binds less avidly to plasma proteins, and therefore has increased bioavailability and duration of action. When coupled with antithrombin III, enoxaparin has weaker activity against thrombin, but unlike UFH, it has more potent inhibition of factor Xa.

Is enoxaparin a LMWH?

Enoxaparin belongs to a class of drugs known as “low molecular weight heparin” (LMWH), which is different than heparin, another drug that helps to prevent blood clots.

What is the difference between LMWH and UFH?

LMWH has a greater effect on anti-Xa and less effect on thrombin (factor IIa) compared to UFH. This means that LMWH doesn’t strongly affect the PTT, and cannot be monitored by measuring the PTT level.

Why is Lovenox preferred over heparin?

Compared to heparin, Lovenox has a longer half-life. Meaning, it lasts longer and can be administered once daily. Dosing is more predictable with Lovenox, although patients with a high body weight need more frequent dosing, such as one injection two times daily.

What is the difference between fondaparinux and enoxaparin?

In relation to the coronary arterial pattern, no significant differences were observed between the groups fondaparinux and enoxaparin, with 45.2% versus 43.6% one-vessel (p = 0.432), 20.1% versus 17.9% two-vessel (p = 0.567), and 22.3% versus 24.9% three-vessel (p = 0.871), respectively.

Is Nadroparin superior to enoxaparin?

Yet, the results of this study are difficult to interpret: 4000 (40 mg) IU enoxaparin is not superior to nadroparin 2850 IU (0.3 mL), but nadroparin could not be considered equivalent to enoxaparin. How could these findings be explained?

What are the alternatives to enoxaparin?

Fondaparinux is an alternative to enoxaparin because it preserves short-term efficacy but substantially reduces bleeding. This effect translates into lower long-term rates of death, myocardial infarction, and stroke.

What are the uses of enoxaparin?

View side-by-side comparisons of medication uses, ratings, cost, side effects and interactions. Enoxaparin is an anticoagulant that is given by an injection just under the skin and is used in the treatment and prevention of deep vein thrombosis and some other conditions. Routine blood tests are…

What is the VIS date for flu vaccine?

Vaccine Information Statements for Currently Available Vaccines

What is VIS Version date?

The edition date of the VIS (found on the back at the right bottom corner). The date the VIS is provided (i.e., the date of the visit when the vaccine is administered). The office address and name and title of the person who administers the vaccine. The date the vaccine is administered.

What is the VIS date for Pneumovax 23?

This page was updated on January 7, 2021. This page was reviewed on October 30, 2019….TRANSLATIONS OF THE APRIL 24, 2015 PNEUMOCOCCAL POLYSACCHARIDE VACCINE VIS.

Is there a vis for Twinrix?

-There is not a separate Vaccine Information Statement (VIS) for Twinrix®. Use the current VISs for hepatitis A and hepatitis B.

When should a vaccine be withheld?

Both inactivated and live vaccines should be withheld at least 6 months following therapy with anti-B cell antibodies. Some experts recommend longer than 6 months following anti-B cell antibodies.

What does a standing order allow?

KEY POINTS. Standing orders provide written authorization for nurses, medical assistants, and other members of the health care team to complete certain clinical tasks without first obtaining a physician order.

What would happen if an intramuscular vaccine is administered too high?

Shoulder injury related to vaccine administration, or SIRVA, happens when a vaccine is injected too high or too deep in the shoulder. Injecting the vaccine this way can lead to intense and prolonged pain and other shoulder injuries, such as a rotator cuff tear or tendonitis.

Do you need both Prevnar 13 and PNEUMOVAX 23?

Can you get both Prevnar 13 and Pneumovax 23? In some cases, the CDC recommends that certain children and adults get Prevnar 13 in addition to Pneumovax 23. This is usually done if you have a high risk of complications from the bacteria.

What happens if you get pneumonia vaccine twice?

Getting it twice is not harmful. It’s a well-tolerated vaccine, with generally far fewer side effects than the Moderna vaccine you just took. I’ve had patients get it twice with no ill effects.

How often do I need a TWINRIX booster?

Standard TWINRIX dosing is 3 vaccine doses over a span of 6 months. You choose the date for the first dose. The second dose is 1 month after the first and the last dose is 6 months after the first. A 4-dose rapid schedule is also available for adults 19 years and older.

How long is the Twinrix vaccine good for?

97% of people have antibodies one month after the 2nd dose of vaccine. How long does the protection last? At least 20 years for hepatitis A and at least 15 years for hepatitis B. Recent studies suggest recipients will enjoy life time protection once the series is complete.