Crecimiento y Desarrollo - Integrador Up4 - Prof. Dr. Gatti

Examining Growth and Development

The speaker introduces the topic of growth and development examination, highlighting the importance of analyzing a specific case to understand key concepts for development.

Introduction to the Course

• Maximiano Vez, a pediatrician specializing in nutrition, discusses his role in coordinating the first year of medical sciences at the faculty.

• Students have varied backgrounds, some completing virtual modalities while others have prior in-person experience.

Integrating Key Concepts

• Emphasizes starting an integrative approach focusing on biological, mental health, and societal aspects.

• Encourages students to grasp problematic units and develop them across these three axes for comprehensive understanding.

Depth of Understanding

• Stresses the importance of grasping core content and relating it to previous and subsequent topics.

• Advises starting with foundational knowledge before delving into complex themes for effective learning progression.

Unit Problematic Example: UPEC Number Four

The speaker delves into a detailed analysis of UPEC Number Four, emphasizing its relevance in pediatric care and family dynamics.

Exploring UPEC Number Four

• Discusses UPEC Number Four's scenario involving a newborn evaluation post-maternity discharge.

• Highlights the interaction between medical assessment, family dynamics, and child play as integral components of this unit problematic.

Biological Aspects

• Examines biological perspectives by dissecting characteristics of newborn infants and their developmental processes.

• Explores how understanding newborn physiology contributes to holistic patient care approaches.

Mental Health Considerations

• Expands on mental health dimensions by addressing emotional intelligence, memory formation, learning processes within familial contexts.

• Links psychological constructs like emotional intelligence to broader themes such as family interactions and cognitive development.

Discussion on Three Key Areas of Study

The speaker emphasizes the importance of discussing and integrating three key areas of study while encouraging active participation from the audience.

Importance of Naming and Developing Concepts

• Emphasizes naming and developing concepts related to the three key areas for better understanding.

• Encourages participants to engage in discussions by asking questions or writing them down for clarification.

Integration of Concepts

• Mentions seminars conducted by Dr. Alcalá focusing on integrating concepts from the three key areas.

• Advises using audio resources to aid in understanding complex topics for further development.

Addressing Unit Problematics

• Discusses approaching unit problematics starting with newborn care inquiries.

• Begins with understanding the concept of a newborn as the final product of pregnancy, emphasizing different components influencing birth.

Understanding Pregnancy Development

The discussion delves into the stages of pregnancy development, highlighting crucial aspects such as gestation weeks and embryonic/fetal development.

Newborn Care and Birth Process

• Defines a newborn as the culmination of pregnancy, influenced by physiological, biological, psychosocial, and cultural factors worldwide.

Gestation Weeks vs. Embryofetal Development

• Differentiates between gestation weeks marking pregnancy duration and embryofetal development stages during prenatal growth.

Menstrual Cycle Calculation

• Explains calculating pregnancy weeks from the last menstrual cycle date to determine fetal age accurately.

Fertilization Process and Ovulation

Details about fertilization processes, ovulation timing, and embryonic formation are discussed to understand conception intricacies.

Ovulation Timing Impact

• Describes how ovulation around day 14 post-menstruation leads to potential fertilization if sexual intercourse occurs.

Embryonic Formation Stages

• Explores various stages from zygote formation through pre-embryonic phases towards fetal development milestones.

Pregnancy Duration Calculation

New Section

In this section, the speaker discusses the importance of understanding gestational weeks in pregnancy for predicting the baby's development and growth.

Understanding Gestational Weeks

• Pregnancy at 38 weeks can be challenging as the baby may start showing signs of distress.

• The gestational age is crucial for predicting the baby's development, which can be determined through the date of last extraction or ultrasound.

• The birthing process is stressful for both the baby and all individuals present, including parents and healthcare professionals.

• The birth process is likened to abruptly waking someone up with cold water, emphasizing the shock and stress involved.

• Babies are subjected to various stimuli during birth, such as temperature changes, which can be distressing but necessary for adaptation.

New Section

This section delves into the stimulation required during birth to ensure a smooth transition for the newborn.

Stimulation During Birth

• Stimuli like temperature changes help babies adapt post-birth from a controlled pregnancy environment.

• Even slight temperature variations during birth can significantly impact a newborn's adjustment to external conditions.

• Crying post-birth indicates successful airway opening and lung expansion for gas exchange.

• Understanding concepts like gas exchange through crying is essential knowledge for medical students in their second year.

• The significance of a vigorous cry post-birth lies in its role in initiating breathing and adapting to external conditions.

New Section

This section emphasizes the importance of a newborn's cry not only as a medical indicator but also as an emotional reassurance for parents.

Significance of Newborn Cry

• A newborn's cry signifies vitality and successful adaptation to life outside the womb, providing relief and joy to parents present at birth.

• Medical examinations post-birth often focus on assessing vital signs like crying quality alongside standardized scoring systems like Apgar scores.

New Section

The discussion focuses on the positioning of infants and the reasons behind it, considering factors like growth, development, and heat retention.

Positioning of Infants

• Infants are positioned with their lower limbs flexed due to factors such as maturation, growth, and neuronal development.

• This position helps prevent heat loss from areas like the forearm by absorbing heat from one limb to another.

• Reflex irritability plays a role in how infants react to touch or movement, indicating discomfort through facial expressions and movements.

New Section

The conversation delves into reflexes in newborns and the evaluation of reflex irritability shortly after birth.

Reflexes in Newborns

• Reflex evaluations like palmar grasp or automatic walking are not typically performed immediately after birth; focus is on assessing reflex irritability.

• The Apgar test assesses reflex irritability by observing responses to stimuli such as movement and facial expressions.

New Section

Skin coloration assessment in newborns is discussed, emphasizing variations based on ethnicity and focusing on pinkish hues for mucous membranes.

Skin Coloration Assessment

• Newborn skin may exhibit a pink hue with slight bluish discoloration around areas like the mouth or distal parts of hands (acrocyanosis).

• Emphasis is placed on evaluating mucous membrane coloration for a pinkish hue rather than generalized blue or pale tones.

New Section

Evaluating newborn skin coloration within the first minute post-birth provides insights into cardiovascular function and overall health status.

Newborn Skin Coloration Evaluation

• Assessing skin color aids in determining vascularization and cardiovascular function; pinkish tones indicate proper blood circulation.

Detailed Explanation of Circulation in Pregnancy

In this section, the speaker delves into the intricacies of circulation during pregnancy, focusing on the role of vascular structures in nourishing the fetus.

Understanding Vascular Structures in Pregnancy

• The circulatory system during pregnancy differs from the general cardiovascular system. In uterine circulation, there are two arteries and one vein, unlike the usual pattern of one artery and two veins.

• Nutrient delivery to the fetus is facilitated through the uterine artery and vein. The blood flow is both arterial and venous, crucial for sustaining fetal life.

Importance of Cord Clamping

• Two umbilical arteries and one umbilical vein supply nutrients to the baby. This unique vascular arrangement contrasts with the rest of the body's cardiovascular system.

• Cord clamping marks a significant moment post-birth. Delayed cord cutting aligns with practices like "respected birth," emphasizing immediate skin-to-skin contact between mother and baby.

Cord Cutting Process

• The umbilical cord typically measures 50 to 60 centimeters in length. Proper cord cutting involves leaving five centimeters attached to the baby for medical interventions ease.

• Careful cord cutting ensures minimal blood loss for both mother and baby. It involves precise handling to prevent complications post-delivery.

Post-Birth Procedures: Alumbramiento

This segment discusses alumbramiento, which signifies placental expulsion following childbirth, highlighting its significance in completing the birthing process.

Alumbramiento Process

• Alumbramiento refers to placental expulsion after birth completion. Obstetricians wait 15 to 30 minutes post-delivery for natural placental detachment.

• Post-alumbramiento, mothers enter a puerperium period requiring specific care. This phase follows a structured perinatal control plan encompassing prenatal care, labor monitoring, and immediate postpartum assessment.

Newborn Examination Protocol

Here, attention shifts towards newborn examination protocols immediately after birth, emphasizing critical assessments within the first hour of life.

Initial Newborn Assessment

• Newborn examinations commence promptly after birth on a warm surface under adequate lighting conditions for thorough evaluation.

• Key assessments include evaluating vigor (crying), muscle tone, mobility, and skin coloration within this crucial first hour post-birth.

Importance of Prompt Care

• Adequate facilities and trained personnel are essential for newborn care within this critical timeframe. Regionalized care models ensure optimal outcomes by providing necessary resources based on complexity levels.

Reception and Initial Assessment of Newborns

The importance of correctly receiving and assessing a newborn to ensure their well-being and future development.

Reception of Newborns

• Medical professionals must be knowledgeable about the necessary practices for examining and caring for newborns to ensure their well-being.

• Initial assessment involves checking the baby's adaptation, color, tone, and overall health within the first five minutes after birth.

• Typically, the obstetrician or pediatrician present at birth assesses the newborn's condition immediately after delivery.

Initial Assessment Process

• The "minute" begins upon delivery, focusing on observing the baby's responsiveness, movements, and vital signs.

• Continuous evaluation post-birth includes monitoring skin color, movement, crying, and overall appearance for health assessment.

Evaluation Criteria for Newborns

Understanding the significance of evaluating newborns based on specific criteria post-delivery.

Evaluation Parameters

• Prompt stimulation may be required if a newborn shows signs of distress or lack of movement initially.

• Familiarity with evaluation criteria is essential for medical professionals to assess newborn health accurately.

Scoring System

• Proper documentation by medical staff includes recording initial scores based on standard evaluation parameters.

• A scoring system rates newborn health status from 0 to 10 based on immediate post-birth assessments.

Significance of Early Assessments

Exploring the implications of low scores in early assessments on a newborn's future development.

Impact Analysis

• Low scores in initial evaluations may indicate potential challenges in neurological development over time.

Long-Term Implications

Healthy Newborn Definition and Initial Examination

In this section, the speaker discusses the definition of a healthy newborn and the initial examination process.

Healthy Newborn Definition

• A healthy newborn is defined as one who successfully adapts to extrauterine life without malformations.

• A newborn may appear normal externally but still be considered unhealthy if they cannot adapt internally to postnatal life.

• A healthy newborn shows no minor or major malformations, is adapting well to their environment, scores above 7 on the Apgar test, and experiences no complications.

Levels of Care for Newborns

• Newborn care can be provided at different levels of healthcare facilities based on the complexity of the case.

• Ideally, uncomplicated pregnancies should be referred to secondary care for optimal monitoring and control during pregnancy.

Initial Examination Process

This section covers the initial examination process for a newborn baby.

Comprehensive Examination

• The newborn undergoes a thorough head-to-toe examination to ensure there are no malformations present.

• After confirming no abnormalities, the baby is handed over to the mother in a joint maternity ward for further care.

Medical Procedures Post Examination

• Before transferring the baby to the joint ward, two intramuscular injections are administered: hepatitis B vaccine and vitamin K to prevent hemorrhagic disease.

• The hepatitis B vaccine is given immediately after birth as part of preventive care against viral infections.

Preventive Measures Post Birth

This section focuses on preventive measures taken post-birth for a newborn's health.

Preventive Care Practices

• Vitamin K administration helps prevent hemorrhagic disease in newborn babies by aiding blood clotting factors.

Preventive Measures and Newborn Assessment

The speaker discusses the importance of preventive measures and the assessment of newborns to determine their developmental stage.

Preventive Measures

• The Capurro test is used postnatally to assess gestational age based on physical characteristics like ear formation, skin texture, gland size, nipple and areola development, and plantar creases.

Newborn Assessment Parameters

• Focus on evaluating specific parameters such as ear curvature, skin texture, gland size, nipple and areola formation, and plantar creases rather than specific scores for each aspect.

Importance of Accurate Evaluation

• Emphasizes the significance of correctly identifying and naming the physical characteristics being assessed in newborns to ensure accurate evaluation using tools like the Capurro test.

Gestational Age Determination and Weight Assessment

This section delves into determining gestational age through physical examination and assessing a newborn's weight concerning their gestational age.

Gestational Age Determination

• A full-term newborn typically falls between 37 weeks to 41 weeks six days gestation based on physical examination criteria like earlobe shape, tongue position, skin color versus texture assessment.

Weight Assessment Significance

• Stressing that a newborn's weight should align with their gestational age; deviations may indicate over or underweight conditions requiring attention for optimal growth.

Vaccination Prior to Discharge

Discusses the necessity of administering vaccinations before a newborn is discharged from the maternity ward.

Tuberculosis Vaccination

• Highlighting the importance of administering BCG (Bacillus Calmette-Guérin) vaccine intradermally before discharge to prevent severe forms of tuberculosis post-birth.

Integration of Concepts

Encourages integrating various discussed concepts for a comprehensive understanding despite not delving deeply into any single topic during the session.

Comprehensive Understanding

Exam Structure and Levels of Care

The speaker discusses the exam structure and levels of care in a healthcare setting, emphasizing the importance of understanding different levels of care for effective patient management.

Exam Structure and Levels of Care

• Different levels of care exist within healthcare facilities, such as primary, secondary, and tertiary levels, each catering to varying complexities and practices.

• In a single location like a hospital, all three levels of care may be present based on the services provided, with considerations for regionalization and resource allocation.

• Understanding regionalization allows for appropriate patient referrals based on geographical areas and socioeconomic resources available.

• Practices from different care levels can coexist in one facility; for instance, a hospital may offer both primary level services like child check-ups alongside tertiary level services like cardiovascular care.

• It's essential to recognize that a facility can provide services from multiple care levels without being exclusively categorized under one level.

Neonatal Health and Breastfeeding

The discussion shifts towards neonatal health assessments focusing on reflexes and breastfeeding practices crucial for infant well-being.

Neonatal Health Assessment

• Reflex assessments in newborns are vital indicators of neurological development post-birth.

• Evaluating reflexes like palmar grasp aids in assessing neurological function accurately.

Breastfeeding Insights

• Newborn weight loss within the first week is normal due to fluid reabsorption post-birth; it's crucial to monitor this aspect closely.

Examining Newborns and Pediatric Care

In this section, the speaker discusses the examination of newborns, focusing on aspects such as cranial evaluation, pediatric care procedures, and vaccination protocols.

Cranial Evaluation and Pediatric Care

• The primary cranial examination typically occurs between 48 to 72 hours after birth.

• Following birth, subsequent evaluations involve measuring head circumference and height to assess growth.

• During newborn examinations, attention is given to fontanelles, cranial bones, and overall skull structure for normal development.

Vaccination Protocols and Pediatric Health

• Vaccination administration protocols vary between public and private healthcare settings based on birth rates.

• Public centers often administer vaccinations collectively due to high daily birth rates compared to individualized schedules in private facilities.

Thyroid Function and Hormonal Regulation

• Thyroid function is crucial for growth and development in infants; screening tests are conducted early to detect any abnormalities.

• Hormones play a vital role in prenatal development; postnatally, infants must produce their own hormones for proper growth.

Neurological Development in Newborns

This segment delves into the neurological development of newborns, emphasizing the formation of the central nervous system and its implications for overall growth.

Central Nervous System Formation

• The central nervous system begins developing around the third week of embryonic growth with structures like the spinal cord forming progressively.

• Neurological structures start forming from the third week onwards despite variations in opinions regarding specific milestones during embryonic development.

Thyroid Functionality in Infants

Here, the discussion centers on thyroid functionality in infants, highlighting screening programs aimed at detecting thyroid-related issues early on.

Screening Programs for Thyroid Function

• Newborn screening programs involve blood tests to assess thyroid function within the first month of life for timely intervention if needed.

Desarrollo Infantil - Crecimiento y Desarrollo del Sistema Nervioso Central

In this section, the speaker discusses the development of infants in relation to the growth and development of the central nervous system.

Development of Neck Tone and Head Support

• Infants initially do not maintain head support without cephalic support.

• By two to three months, infants can achieve cephalic support.

Milestones in Motor Development

• Infants progress from maintaining head control to sitting with tripod support around six months.