Cardiac Effects of Lightning Strikes

Christophides, Theodoros; Khan, Sarosh; Ahmad, Mahmud; Fayed, Hossam; Bogle, Richard

doi:10.15420/aer.2017:7:3

Cited by 25 publications

(23 citation statements)

References 38 publications

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“…Lichtenberg figures can also appear and are specific to individuals struck by lightning, either by a direct strike, a side flash, or ground voltage [6]. Lichtenberg figures occur due to high voltage discharge on/or within the insulating material, which in this case, is the skin of the individual [2][3][4][5][6].…”

Section: Discussionmentioning

confidence: 99%

“…Lightning strike injuries are potentially fatal presentations to the emergency department. Symptoms can range from cardiac and respiratory arrest to mild tingling and discomfort [ 3 , 4 ]. There are no required labs or imaging for patients struck by lightning, but certain tests and studies are recommended depending on the severity of their symptoms.…”

Section: Introductionmentioning

confidence: 99%

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Bounced off a Truck Out of the Blue: A Case Report of a Lightning Strike During a Thunderstorm

George

Bandi

Ganti

et al. 2020

Cureus

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Lightning strikes are a relatively uncommon emergency department presentation, and due to the very high energy involved, can present quite dramatically, including cardiac arrest. However, as with many chief complaints, sometimes these patients can be discharged home after a benign emergency department evaluation. We present one such case of a male who was struck to the ground by lightning outside his truck, which subsequently caught on fire. He demonstrated the classic Lichtenberg figures associated with a lightning injury that evolved over time but was otherwise hemodynamically stable. After an unremarkable laboratory evaluation and electrocardiogram, he was safely discharged home.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Bounced off a Truck Out of the Blue: A Case Report of a Lightning Strike During a Thunderstorm

George

Bandi

Ganti

et al. 2020

Cureus

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“…However, a few of the researchers of the lightning community have reported their disagreement to this aspect and attribute the event more to the lightning primary injury [32]. Hence, considering the aforesaid lightning mechanisms, the ultimate effect and cumulative impact of exposure of human to lightning might result into very severe injuries and sometimes leading to fatal consequences due to cardiac arrest [33]. Fig.…”

Section: Mechanisms Of Lightning -Human Interaction and Lightning Human Modelingmentioning

confidence: 99%

Modeling and Assessment of Lightning Hazards to Humans in Heritage Monuments in India and Sri Lanka

et al. 2020

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Lightning is one of the inevitable disastrous phenomena which in addition to damaging tall edifices, might also consequently endanger humans due to lightning-human interactions. This research focuses on analyzing lightning hazards to humans in the vicinity of heritage monuments in India and Sri Lanka. Five monuments which include three giant stupas namely Ruwanweliseya, Jethawanaramaya and Abayagiriya from Sri Lanka and two large temples namely Brihadishvara Temple and Gangaikonda Cholapuram from India have been chosen for investigation. Lightning-human interaction mechanisms namely direct strike, side flash, aborted upward leader, step and touch voltages have been investigated for the most onerous scenario on humans in the vicinity of the monuments. Firstly, the electro-geometric model as stipulated in standards has been implemented to ascertain the effectiveness of lightning protection to the structures. Subsequently, the study has been extended to the computation of step and touch voltages utilizing lightning current and electrostatic models based on Finite Element Method (FEM) using COMSOL Multi-physics ® . Detailed plots of electric field and voltage distribution of lightning on humans due to a typical lightning current of 30 kA have been obtained. The final study involves assessment of current through humans which is estimated based on lumped R-C human model representation using OrCAD Cadence ® . The analyses reveal that humans are invariably shielded against direct strikes whereas effects due to side flashes are minimal. During strikes to the monuments, high voltage may appear due to step and touch potential under dry conditions, though such effects could be mitigated by appropriate earthing system.

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“…The most feared complication of lightning injury is cardiac arrest and cardiac dysrhythmias, both of which can occur in the immediate aftermath (22)(23)(24). Lightning injury may cause abrupt cerebral salt wasting syndrome.…”

Section: Invited Reviewmentioning

confidence: 99%