The lecture gives concise review about the main four groups of viruses causing hemorrhagic fever i.e. Flavivirues, Filoviruses, Arenaviruses and Bunyaviruses.
The lecture gives concise review about the main four groups of viruses causing hemorrhagic fever i.e. Flavivirues, Filoviruses, Arenaviruses and Bunyaviruses.
Shigellosis = inflammation of intestines (especially the colon) with accompanying severe abdominal cramps, tenesmus and frequent, low-volume stools containing blood, mucus and fecal leukocytes.
Measles is a highly contagious viral infection.
It is exanthematous disease with fewer, cough, coryza (rhinitis) and conjunctivitis.
Before the widespread use of measles vaccines, it was estimated that measles caused between 5 million and 8 million deaths worldwide each year.
This ppt is About Rabies epidemiology and treatment .
This is done by using Park book 24th edition of PSM .
This presentation is presented in academics of Master of public health in Christian medical college .
One more Important thing is that that zareb regime (intramuscular ) is not practiced . We try to make this ppt lucid. and the statistics is used in the presentation is upto 27 june 2018
This is a series of lectures on microbiology, useful for both undergraduate and post graduate medical and paramedical students... This lecture covers cholera, typhoid, diarrhoea and dysentry
Shigellosis = inflammation of intestines (especially the colon) with accompanying severe abdominal cramps, tenesmus and frequent, low-volume stools containing blood, mucus and fecal leukocytes.
Measles is a highly contagious viral infection.
It is exanthematous disease with fewer, cough, coryza (rhinitis) and conjunctivitis.
Before the widespread use of measles vaccines, it was estimated that measles caused between 5 million and 8 million deaths worldwide each year.
This ppt is About Rabies epidemiology and treatment .
This is done by using Park book 24th edition of PSM .
This presentation is presented in academics of Master of public health in Christian medical college .
One more Important thing is that that zareb regime (intramuscular ) is not practiced . We try to make this ppt lucid. and the statistics is used in the presentation is upto 27 june 2018
This is a series of lectures on microbiology, useful for both undergraduate and post graduate medical and paramedical students... This lecture covers cholera, typhoid, diarrhoea and dysentry
lecture for MBBS students
Rickettsia named after HOWARD
TAYLOR RICKETTS died of Typhus fever contracted during his studies
Discovered spotted fever rickettsia (1906)
Obligate intracellular parasite
Gram negative pleomorphic rods
Parasite of arthropods – fleas, lice, ticks and mites.
No Human to human transmission.
Rickettsia are transmitted to humans by the bite of infected arthropod vector.
Multiply at the site of entry and enter the blood stream.
Localise in the vascular endothelial cells and multiply to cause thrombosis lead to rupture & necrosis
The rickettsiae are a diverse collection of obligately intracellular Gram-negative bacteria found in ticks, lice, fleas, mites, chiggers, and mammals. They include the genera Rickettsiae, Ehrlichia,Orientia, and Coxiella. These zoonotic pathogens cause infections that disseminate in the blood to many organs.
Please find the power point on Typhus and its managemen. I tried to present it on understandable way and all the contents are reviewed by experts and from very reliable references. Thank you
رواية أياً يكن للدكتور محمد القزاز, و يتحدث فيها عن قصة حياته خلال دراسته الجامعية في كلية الطب و معلناً عن لعنه لهذه الكلية شاهراً نقده للجامعة و المجتمع و عمادة الكلية.
يتعرض الكتب لعدد من المتاعب خلال رحلته لاثبات حقه في قضية القصة, و يحاول الكاتب أن يعرض الاحداث في اطار من الكوميديا الساخرة ..
قصة حقيقة للكاتب :)
to down load this presentation from this link
https://mohmmed-ink.blogspot.com/2020/11/deep-vein-thrombosis-dvt.html
deep vein thrombosis, diagnosis and managment.
prdiatrics notes, croup, upper respiratoty track infection
to download this presentation from this link
https://mohmmed-ink.blogspot.com/2020/11/pediatrics-notes-croup.html
to download this presentation from this link
https://mohmmed-ink.blogspot.com/2020/11/evaluation-of-peripheral-blood-smear.html
Evaluation of the Peripheral Blood Smear
to download this presentation form this link
https://mohmmed-ink.blogspot.com/2020/11/herbal-medicine.html
herbal medicine in Gaza .. use and side effect
this work first was done by a medic student in the islamic University .... because its a good work i shared it . and i never asked for the permission .... sorry
but this link will lead to the original one...
http://www.slideshare.net/FaToOoMaa/final-herbal-medicine
to download this presentation from this link
https://mohmmed-ink.blogspot.com/2020/11/conjunctival-diseases-overview.html
over view for the conjunctival diseases. clinical presentation treatment .
to download this presentation from this link
https://mohmmed-ink.blogspot.com/2020/11/diabetic-ketoacidosis.html
Diabetic Ketoacidosis, diabetus type 1 complection. diagnosisi and managment
to download this presentation from this link
https://mohmmed-ink.blogspot.com/2020/11/energy-drinks.html
energy drink and effect on human health , hazards
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Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
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These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
New Directions in Targeted Therapeutic Approaches for Older Adults With Mantl...i3 Health
i3 Health is pleased to make the speaker slides from this activity available for use as a non-accredited self-study or teaching resource.
This slide deck presented by Dr. Kami Maddocks, Professor-Clinical in the Division of Hematology and
Associate Division Director for Ambulatory Operations
The Ohio State University Comprehensive Cancer Center, will provide insight into new directions in targeted therapeutic approaches for older adults with mantle cell lymphoma.
STATEMENT OF NEED
Mantle cell lymphoma (MCL) is a rare, aggressive B-cell non-Hodgkin lymphoma (NHL) accounting for 5% to 7% of all lymphomas. Its prognosis ranges from indolent disease that does not require treatment for years to very aggressive disease, which is associated with poor survival (Silkenstedt et al, 2021). Typically, MCL is diagnosed at advanced stage and in older patients who cannot tolerate intensive therapy (NCCN, 2022). Although recent advances have slightly increased remission rates, recurrence and relapse remain very common, leading to a median overall survival between 3 and 6 years (LLS, 2021). Though there are several effective options, progress is still needed towards establishing an accepted frontline approach for MCL (Castellino et al, 2022). Treatment selection and management of MCL are complicated by the heterogeneity of prognosis, advanced age and comorbidities of patients, and lack of an established standard approach for treatment, making it vital that clinicians be familiar with the latest research and advances in this area. In this activity chaired by Michael Wang, MD, Professor in the Department of Lymphoma & Myeloma at MD Anderson Cancer Center, expert faculty will discuss prognostic factors informing treatment, the promising results of recent trials in new therapeutic approaches, and the implications of treatment resistance in therapeutic selection for MCL.
Target Audience
Hematology/oncology fellows, attending faculty, and other health care professionals involved in the treatment of patients with mantle cell lymphoma (MCL).
Learning Objectives
1.) Identify clinical and biological prognostic factors that can guide treatment decision making for older adults with MCL
2.) Evaluate emerging data on targeted therapeutic approaches for treatment-naive and relapsed/refractory MCL and their applicability to older adults
3.) Assess mechanisms of resistance to targeted therapies for MCL and their implications for treatment selection
Prix Galien International 2024 Forum ProgramLevi Shapiro
June 20, 2024, Prix Galien International and Jerusalem Ethics Forum in ROME. Detailed agenda including panels:
- ADVANCES IN CARDIOLOGY: A NEW PARADIGM IS COMING
- WOMEN’S HEALTH: FERTILITY PRESERVATION
- WHAT’S NEW IN THE TREATMENT OF INFECTIOUS,
ONCOLOGICAL AND INFLAMMATORY SKIN DISEASES?
- ARTIFICIAL INTELLIGENCE AND ETHICS
- GENE THERAPY
- BEYOND BORDERS: GLOBAL INITIATIVES FOR DEMOCRATIZING LIFE SCIENCE TECHNOLOGIES AND PROMOTING ACCESS TO HEALTHCARE
- ETHICAL CHALLENGES IN LIFE SCIENCES
- Prix Galien International Awards Ceremony
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NVBDCP.pptx Nation vector borne disease control programSapna Thakur
NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
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TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
The prostate is an exocrine gland of the male mammalian reproductive system
It is a walnut-sized gland that forms part of the male reproductive system and is located in front of the rectum and just below the urinary bladder
Function is to store and secrete a clear, slightly alkaline fluid that constitutes 10-30% of the volume of the seminal fluid that along with the spermatozoa, constitutes semen
A healthy human prostate measures (4cm-vertical, by 3cm-horizontal, 2cm ant-post ).
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Generalised disease of the prostate due to hormonal derangement which leads to non malignant enlargement of the gland (increase in the number of epithelial cells and stromal tissue)to cause compression of the urethra leading to symptoms (LUTS
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
2. •Rocky Mountain spotted
fever was first discovered
in 1896 in the Snake River
Valley of Idaho.
•Howard Taylor Ricketts
first to identify the
infectious organism.
•Also died from typhus
3. R. rickettsii
R. africae
R. conorii
R. conorii
R.
slovaca
R. conorii Astrakhan
R. conorii Israël
R. australis
R. honei
Indian tick typhus Rickettsia
R. japonica
R. mongolotimonae
R. helvetica
R. mongolotimonae
R. sibirica
R. conorii
R. conorii Israël
« R. heilongjiangii »
R. helvetica
4. Characteristics of Rickettsia
• Gram (-), Aerobic,
Coccobacilli
• Obligate intracellular
parasite.
• Maintained in animal and
arthropod reservoirs
10. Rickettsia as a Pathogen
• Transmitted and dependant on parasitic
arthropod vectors: lice, fleas, and ticks.
R. prowazekii:
Epidemic typhus
human louse
R. typhi:
Murine typhus
flea
Rickettsia rickettsiae
RMSF
tick
11. Target Organs of Rickettsioses
Disseminated endothelial infection
of all organs with brain and lungs as
critically affected vital organs
12. Pathophysiology of Rickettsial Diseases
Increased vascular permeability
Edema (life threatening in brain and lungs)
Low blood volume
Hypotension
Decreased perfusion of organs
Organ dysfunction
(e.g., acute renal failure: prerenal azotemia)
13. Pathophysiology of Respiratory Failure
Intense infection of endothelium of pulmonary microcirculation
Interstitial pneumonia/edema
Non-cardiogenic pulmonary edema
Adult Respiratory Distress Syndrome
Hypoxemia
14.
15. Types of Rickettsial Diseases
• R. rickettsii: Rocky mountain spotted fever
– Spread by tick bite; rodents are the reservoir
• R. prowazekii: epidemic typhus
– Humans primary host; vector is the louse
– Disease spread in crowded, unhygienic conditions
• R. typhi: murine/endemic typhus
– present in rodent population, vector is the flea.
16. Signs of Infection
• Fever, chills
• Severe headache
• 4th-6th day later = skin rash = lasts
throughout course of disease
• EXCEPTION: Q-fever = no rash
18. Important Clinical Diseases
• Spotted Fever Group
– Rickettsia rickettsii = Rocky Mountain spotted fever
• tick bite
• fever/severe headache
• skin rash = wrists and ankles to
trunk/palms of hands, soles of feet
19.
20. Rickettsia rickettsii
• R. rickettsii causes 95% of all modern typhus.
• If untreated mortality is ~20%.
• Most cases occur in children during the spring or
summer.
• It causes “tick typhus”, also known as Rocky Mountain
spotted fever.
• The wood tick or dog tick is the insect vector..
• CNS symptoms include headache, delirium and coma.
• Circulatory damage includes coagulation, edema and
collapse..
21. Important Clinical Diseases
• Typhus Group
–Rickettsia prowazekii = Epidemic
typhus
• body louse = bite/feces
• fever/severe headache
• skin rash = trunk to extremities
22. Rickettsia prowazekii
• causes louse typhus, ie. epidemic typhus, or Brill-Zinsser
disease (or these days “jail fever” ).
• This organism killed ~3 million people in WW1 .
• Transmission occurs human to human via lice vector, either
directly in blood, or more likely as the contaminated louse feces
is scratched into the bite wound.
• Symptoms can be acute and RMSF-like, or a milder sporadic /
latent condition years after the initial infection.
23. Rickettsia typhi
• R. typhi causes Murine typhus or endemic typhus.
• cases occur commonly and a few at a time in endemic
areas.
• reservoir is rodent (murine = rodent) and vector is the
flea.
• scratching contaminated flea feces into the bite wound is
the primary means of transmission.
• The rash is backwards here: trunk extremities.
• Murine typhus is milder, and will resolve untreated
within 3 weeks.
24. Boutonneuse fever
– R.conori, tick vector, I.P: 6-10 days
– Generalized myalgia occurs, and even myositis can be
demonstrated.
– A rash appears on days 3-5 of the illness. It spreads
from the extremities to the trunk, neck, face, palms,
and soles within 36 hours.
– The lesions progress from macular to maculopapular
and may persist for 2-3 weeks.
– Eschar at site of tick bite is pathognomonic.
– Other manifestations and complications are similar to
those seen in patients with RMSF.
28. Important Clinical Diseases
• Q-Fever Group
–Coxiella burnetii - Q fever
• inhale contaminated aerosol; resist
dessication = up to 3 years outside
host
• intermittent fever/pneumonia
• NO skin rash
29. Diagnosis of Rickettsial Diseases
• No rapid laboratory tests are available to
diagnose rickettsial diseases early in the
course of illness.
• Rise in serum antibody/often do not
develop in early stages
30. Diagnosis of Rickettsial Diseases
o Serologic assays that demonstrate antibodies to
rickettsial antigens (eg, indirect immunofluorescence,
complement fixation, indirect hemagglutination, latex
fixation, enzyme immunoassay, microagglutination)
o They are preferable to the nonspecific and insensitive
Weil-Felix test based on the cross-reactive antigens of
Proteus vulgaris strains(OX19)
o It usually takes 10-12 days for serologic data to
become positive..
31. Diagnosis of Rickettsial Diseases
o Polymerase chain reaction (PCR) to detect rickettsiae in
blood or tissue provides promise for early diagnosis.
o PCR and fluorescent antibody testing of skin specimen
obtained by biopsy may help confirm the clinical
diagnosis in patients with rash .
o However, serology remains the mainstay of diagnosis
because these other tests are expensive and less
available to clinicians.
o Rickettsial isolation in culture is unnecessary,
laborious, and hazardous to laboratory personnel.
32. Disease Confirmatory test
RMSF IFA, DFA, IH
Mediterranean SF IFA, DFA, IH, PCR
Epidemic Typhus IFA, PCR
Murine Typhus IFA, DFA, PCR… LFT
IFA: Indirect fluorescent antibody assay
DFA: Direct fluorescent antibody
IH: Immunohistology
33. TREATMENT
• Rules :
– You will never make a definitive diagnosis before the
patient recovers with treatment or dies
– High index of suspicion with good understanding of
epidemiology is important for diagnosis
– Empiric therapy with doxycycline with a VERY rapid
improvement after only a few doses
– Save acute and convalescent sera for testing if possible.
34. TREATMENT
Doxycycline is a drug of choice for treating suspected Rocky
Mountain Spotted Fever in all patients
Dosage:
Children: 2mg/kg PO q12 on day 1
<45kg then
2-4mg/kg qd until afebrile for 2-3 days
Adults: 100mg PO q12 on day 1
then
100mg qd until afebrile for 2-3 days
35. Tetracycline – In Children
Permanent Teeth Staining
• There is a dose dependent relationship
between tetracycline and teeth color
• 5 courses of tetracycline are required to
produce a perceptable difference in tooth
color
• Doxycycline produces less tooth staining
40. Prevention - Deer Barriers
Limiting exposure to ticks is currently the
most effective method of prevention.
41. Case Presentation
A.A.A.J is 5-year-old girl from Rafah,
presented with 6 days complaint of
fever, and 4 days history of
generalized weakness, loss of
appetite and skin rash.
42. History of present illness
• 6 days back she was perfectly well when she started to
have high grade fever which was progressively
increasing to which she received paracetamol without
proper improvement.
• 2 days after she started to have skin rash more in lower
and upper limbs increasing with the spikes of fever
during that time she was refusing to eat so they sought
medical advice where she was given cephalexin and
paracetamol suppositories,
• after 3 days of treatment she came to E.R in our
hospital and admitted with the same complaint.
43. History
• There is past history of skin disease( Scabies) 6 months back and
improved after receiving a skin lotion.
• She was born as preterm 35 weeks with birth weight of 2000
grams and admitted to SCBU because of mild RDS.
• Parents are first degree cousins, there is a history of death of one
boy sibling at age of 15 months because of chest infection, the
other 4 living siblings (boys) are normal.
• They live in a 5-rooms house, they have animal pets behind the
rooms containing goats.
• She completed her vaccination schedule.
• Her developmental history is within normal.
44. Examination
• Vital signs: Temp.: 39°C, Pulse: 115/m., B.P: 105/55, R.R:
22/min.
• Weight: 17.5 kg, Height: 102 cm (25th %).
• She looks ill, febrile, oriented in time and place, no signs of
meningeal irritation.
• There is generalized rash including palms and soles.
• Throat is mildly congested.
• C.V.S: PPP, normal s1+s2, no murmur.
• Chest: fair A/E, no added sounds
• Abdomen: soft, no organomegaly.
• C.N.S: examination is normal.
48. Hospital Course
• On admission she was given:
Doxycycline tablets:
- first day: 50 mg BiD
- 2nd day onward: 50 mg daily
• Fever subsided on the 3rd day.
• Discharged after 5 days in good condition.