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Although both vasopressors, vasopressin and epinephrine differ in that vasopressin does not have direct effects on cardiac contractility as epinephrine does. [18] Thus, vasopressin is theorized to be of increased benefit over epinephrine in cardiac arrest due to its properties of not increasing myocardial and cerebral oxygen demands. [18]
Cardiac arrest is also identified by a lack of central pulses and abnormal or absent breathing. [1] Cardiac arrest and resultant hemodynamic collapse often occur due to arrhythmias (irregular heart rhythms). Ventricular fibrillation and ventricular tachycardia are most commonly recorded. [14]
Tricyclics have a narrow therapeutic index, i.e., the therapeutic dose is close to the toxic dose. [7] Factors that increase the risk of toxicity include advancing age, cardiac status, and concomitant use of other drugs. [8] However, serum drug levels are not useful for evaluating risk of arrhythmia or seizure in tricyclic overdose. [9]
551 11998 Ensembl ENSG00000101200 ENSMUSG00000037727 UniProt P01185 P35455 RefSeq (mRNA) NM_000490 NM_009732 RefSeq (protein) NP_000481 NP_033862 Location (UCSC) Chr 20: 3.08 – 3.08 Mb Chr 2: 130.42 – 130.42 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Human vasopressin, also called antidiuretic hormone (ADH), arginine vasopressin (AVP) or argipressin, is a hormone synthesized ...
Sympathomimetic drugs are used to treat cardiac arrest and low blood pressure, or even delay premature labor, among other things. These drugs can act through several mechanisms, such as directly activating postsynaptic receptors , blocking breakdown and reuptake of certain neurotransmitters, or stimulating production and release of catecholamines.
An antihypotensive, also known as vasopressor, is an agent that raises blood pressure by constricting blood vessels, thereby increasing systemic vascular resistance.This is different from inotropes which increase the force of cardiac contraction.
According to the CDC, the specific objectives of the project are: [7]. To quantify the incidence and location of cardiac arrest events; To track the performance of each component of the Emergency Medical Services system (e.g., 9-1-1 dispatching and pre-arrival phone instructions, bystander care, first responder, ALS ambulance and definitive care)
The renin–angiotensin axis is activated, and arginine vasopressin (anti-diuretic hormone) is released to conserve fluid by reducing its excretion via the renal system. These hormones cause the vasoconstriction of the kidneys , gastrointestinal tract , and other organs to divert blood to the heart, lungs and brain .