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Bradycardia, also called bradyarrhythmia, is a resting heart rate under 60 beats per minute (BPM). [1] While bradycardia can result from various pathologic processes, it is commonly a physiologic response to cardiovascular conditioning or due to asymptomatic type 1 atrioventricular block.
Bradycardia associated with signs of shock (altered mental status, hypotension, etc.) can be an early warning sign for cardiac arrest. Signs of bradycardia include fatigue, confusion, dizziness, and lightheadedness. [4] Possible causes of bradycardia include hypoxia, hypothermia, and certain medications. [2] AV block. Types of bradyarrhythmias
Obstructive sleep apnea which is the repeated disruption of breathing during sleep due to obstruction to the airway; Inflammatory disease, such as lupus or rheumatic fever; Buildup of iron in the organs known as hemochromatosis
Drowning is a leading cause of unintentional injury and death worldwide, and the highest rates are among children. Overall, drowning is the most common fatal injury among children aged 1–4 years in the USA, [8] and is the second highest cause of death altogether in that age range, after congenital defects.
In one review, sixty-one percent of pediatric cardiac arrests were caused by respiratory failure and twenty-nine percent by shock, which are both preventable and potentially reversible causes. [14] Thus, to ensure timely care for pediatric patients and improve outcomes, systemic assessment of key symptoms and their severity is essential.
Respiratory associated causes compose 13% to 24% of pediatric chest pain symptoms. Gastrointestinal and psychogenic symptoms reported by parents and patients occur less than 10% of the time. Cardiac causes of pediatric chest pain are found infrequently and are not identified more than 5% of the time. Unknown causes, were estimated to account ...
With paroxysmal nocturnal dyspnea specifically, it is felt while sleeping and causes a person to wake up after about 1 to 2 hours of sleep. [ 3 ] More serious forms of dyspnea can be identified through accompanying findings, such as low blood pressure, decreased respiratory rate, altered mental status, hypoxia, cyanosis, stridor, or unstable ...
Often sinus node dysfunction produces no symptoms, especially early in the disease course. Signs and symptoms usually appear in more advanced disease and more than 50% of patients will present with syncope or transient near-fainting spells as well as bradycardias that are accompanied by rapid heart rhythms, referred to as tachycardia-bradycardia syndrome [4] [5] Other presenting signs or ...