Climate Change and Health

Climate Change and Health Indian Medical PG Question 1: All of the following are involved in the pathogenesis of heat stroke EXCEPT:

• A. Failure of thermoregulation
• B. Dehydration
• C. Increased metabolic heat production
• D. Excessive sweating (Correct Answer)

Climate Change and Health Explanation: ***Excessive sweating*** - In **established heatstroke**, there is typically **absence of sweating (anhidrosis)** rather than excessive sweating, particularly in classic non-exertional heatstroke. - While profuse sweating may occur initially during heat stress and in exertional heatstroke, the defining feature of established heatstroke is the **failure of sweating mechanisms**, resulting in hot, dry skin. - The cessation of sweating is a **consequence** of overwhelmed thermoregulatory mechanisms rather than a pathogenic factor, making excessive sweating the exception among the given options. *Dehydration* - **Dehydration** is a major contributing factor to heatstroke pathogenesis as it reduces plasma volume and impairs heat dissipation through sweating and cutaneous vasodilation. - Volume depletion compromises cardiovascular compensatory mechanisms needed for heat loss. *Failure of thermoregulation* - The hallmark of heatstroke pathogenesis is **failure of central thermoregulatory mechanisms** in the hypothalamus, leading to uncontrolled rise in core body temperature above 40°C (104°F). - This represents the central breakdown that defines heatstroke as a clinical entity. *Increased metabolic heat production* - **Increased metabolic heat production** is a key pathogenic factor, especially in exertional heatstroke during intense physical activity. - Endogenous heat production from muscle activity, combined with environmental heat load and impaired heat dissipation, overwhelms thermoregulatory capacity.

Climate Change and Health Indian Medical PG Question 2: In an accident case, after the arrival of medical team, all should be done in early management except;

• A. Glasgow coma scale
• B. Check BP (Correct Answer)
• C. Stabilization of cervical vertebrae
• D. Check Respiration

Climate Change and Health Explanation: ***Check BP*** - In the **immediate/early management** of trauma (primary survey), while circulation assessment is crucial, the **initial assessment of circulation** focuses on: - **Pulse rate and quality** (radial, carotid) - **Capillary refill time** - **Skin color and temperature** - **Active hemorrhage control** - **Formal blood pressure measurement** with a cuff, while important, is typically recorded during or after these rapid initial assessments, as it takes more time to obtain an accurate reading. - In the context of this question, among the four options listed, BP measurement is relatively less immediate compared to the other life-saving priorities (airway protection, breathing assessment, C-spine stabilization, and GCS). - **Note:** This is a nuanced distinction - BP is assessed during primary survey, but the other three options have more immediate life-threatening implications if not addressed. *Glasgow coma scale* - **GCS assessment** is part of the **"D" (Disability)** step in the ATLS primary survey. - It is performed early to assess neurological status and level of consciousness. - GCS <8 indicates need for **definitive airway protection** (intubation). - This is a critical early assessment that guides immediate management decisions. *Stabilization of cervical vertebrae* - **C-spine immobilization** is part of the **"A" (Airway)** step - "Airway with cervical spine protection." - It is performed **simultaneously** with airway assessment using a **rigid cervical collar**. - This is the **first priority** in trauma management to prevent secondary spinal cord injury. - All trauma patients should be assumed to have C-spine injury until proven otherwise. *Check Respiration* - **Respiratory assessment** is part of the **"B" (Breathing)** step in the ATLS primary survey. - This involves checking: - **Respiratory rate and pattern** - **Chest wall movement** - **Air entry bilaterally** - **Signs of tension pneumothorax or flail chest** - This is an immediate life-saving priority and must be assessed early.

Climate Change and Health Indian Medical PG Question 3: What is triage for?

• A. To rehabilitate following a disaster
• B. To prepare for a disaster
• C. To classify the priority of treatment (Correct Answer)
• D. To assess the impact of a disaster

Climate Change and Health Explanation: ***To classify the priority of treatment*** - **Triage** is the process of sorting patients to determine the **priority** of their treatment based on the **severity** of their condition and the likelihood of recovery, especially when resources are limited. - This system ensures that those who need immediate care most urgently receive it first, maximizing the number of lives saved. *To rehabilitate following a disaster* - **Rehabilitation** focuses on restoring health and functional abilities after an injury or illness, which occurs **post-treatment**, not as the initial classification of need. - This phase of care happens *after* triage has been completed and immediate medical needs have been addressed. *To prepare for a disaster* - **Disaster preparedness** involves planning and training *before* a disaster strikes to mitigate its effects and ensure an effective response. - Triage is a **response mechanism** utilized *during* or *immediately after* a disaster, not a preparatory measure. *To assess the impact of a disaster* - **Impact assessment** involves evaluating the damage, casualties, and overall consequences of a disaster. - While disaster impact assessment helps guide overall response, triage is specifically about **individual patient assessment** and prioritization for medical care.

Climate Change and Health Indian Medical PG Question 4: Secular trends of diseases refer to

• A. Changes in incidence as per climate
• B. Differences in incidence across different religions
• C. Variation in occurrence across various social strata
• D. Changes in occurrence over long period of time (Correct Answer)

Climate Change and Health Explanation: **Changes in occurrence over long period of time** - **Secular trends** describe the changes in the **frequency or pattern of a disease** or health condition over a long-term period, often spanning decades. - This concept is crucial in epidemiology for understanding the **evolution of diseases** and the impact of long-term public health interventions or societal changes. *Changes in incidence as per climate* - This refers to **seasonal variation** or **geographic variation** related to climate, not the sustained, long-term changes that define secular trends. - While climate can influence disease incidence, it typically causes cyclical or regional patterns rather than continuous long-term shifts. *Differences in incidence across different religions* - This describes **religious or cultural variations** in disease occurrence, which are a form of **social or demographic determinant**, but not secular trends. - Secular trends focus on changes over time, while religious differences are usually cross-sectional comparisons at a given point or period. *Variation in occurrence across various social strata* - This refers to **socioeconomic disparities** or **social gradients** in health outcomes, indicating differences between various social classes or groups. - While social factors can drive secular trends, secular trends specifically denote **changes over time**, not static differences between groups.

Climate Change and Health Indian Medical PG Question 5: You are working in a primary health center (PHC) situated in a high seismic zone. Which of the following actions should you take as part of preparedness for an emergency?

• A. Ensure all financial and other resources are available for disaster preparedness.
• B. Increase public awareness through campaigns and loudspeakers.
• C. Follow instructions given over the phone or radio by higher officials.
• D. Conduct a simulation for the disaster and assess the response. (Correct Answer)

Climate Change and Health Explanation: ***Conduct a simulation for the disaster and assess the response.*** - **Simulation exercises** are crucial for testing the effectiveness of a disaster preparedness plan and identifying weaknesses in the response system. - This allows for refinement of protocols, training of personnel, and ensuring that all team members understand their roles during an actual emergency. *Ensure all financial and other resources are available for disaster preparedness.* - While important for effective disaster management, simply "ensuring" resources are available is not an action of preparedness, but rather an **enabling condition**. - This statement focuses on the availability of resources rather than a proactive step to prepare the PHC for an emergency. *Increase public awareness through campaigns and loudspeakers.* - **Public awareness campaigns** are vital for community preparedness, but this action is primarily for the general population and not a specific preparedness action for the PHC itself in terms of its operational readiness. - While a PHC might be involved in public awareness, its core preparedness involves internal actions to ensure its functionality during a disaster. *Follow instructions given over the phone or radio by higher officials.* - This describes a reaction during or immediately before a disaster, rather than a proactive **preparedness measure**. - Relying solely on real-time instructions from higher officials during an emergency without prior planning can lead to delays and inefficiencies.

Climate Change and Health Flashcard 1 of 5

Question: Most common disease post disaster is _____

Answer: Acute Gastroenteritis

Climate Change and Health Flashcard 2 of 5

Question: _____ is discharging existing patients to increase the surge capacity of the hospital to accommodate for the natural disaster.

Answer: Reverse triage

Climate Change and Health Flashcard 3 of 5

Question: Disaster _____ is a long term plan with ongoing multisectoral activities, which include the development of policies or programs for disaster management, prevention, mitigation, preparedness, response, rehabilitation and reconstruction.

Answer: preparedness

Climate Change and Health Flashcard 4 of 5

Question: The best indicators for routine monitoring of air pollution are sulfur dioxide, _____, and suspended particles.

Answer: smoke

Climate Change and Health Flashcard 5 of 5

Question: Which mosquito(s) can cause Yellow fever and Chikungunya?_____

Answer: Aedes