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Query: UMLS:C0085593 (chills)
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Endovascular infections that involve the right side of the heart present their own unique etiologies, pathophysiologies, clinical manifestations, and therapeutic issues. The pathology of the vegetations of right-sided endocarditis is identical to that of left-sided endocarditis. These vegetations are irregular, friable masses of varying size the contain platelets, fibrin, RBCs, and microorganisms. These lesions serve as a nidus for deep-seated infection and produce sustained bacteremia. Right-sided endocarditis occurs in 5% to 10% of all cases of endocarditis. The most common predisposing factors are IV drug abuse and congenital heart disease. S. aureus is the most common pathogen. The clinical manifestations include fever, chills, rigor, dyspnea, pleuritic pain, productive cough, and hemoptysis. The cardiac manifestations can be notably absent early in the course of the disease, with only 20% of patients initially showing a significant murmur on physical examination. Peripheral embolic lesions can be seen. Echocardiography is helpful in identifying vegetations on the tricuspid valve in a significant proportion of patients. The chest radiograph is characteristic, showing features typical of multiple septic pulmonary emboli. The radiograph shows multiple, small, fuzzy, patchy, peripherally located densities that can change rapidly on serial films. Complications of right-sided endocarditis include pulmonary infarction, pulmonary abscess, progressive right-sided heart failure, and renal abnormalities. The treatment of right-sided endocarditis includes prolonged therapy, with high doses of IV bactericidal antibiotics. Four weeks of antibiotic therapy is generally required, but newer regimens using combination antibiotic therapy can be successful in sensitive strains of viridans group streptococci and S. aureus. Surgical resection of the tricuspid valve is recommended for organisms that do not respond to initial antibiotic therapy, fungal endocarditis, resistant relapsing organisms, or coexistent infection with S. aureus and P. aeruginosa. The prognosis of right-sided endocarditis is generally favorable when compared with left-sided endocarditis. The prognosis is especially favorable in IV drug abusers infected with S. aureus. Patients infected with fungal organisms, Pseudomonas or Serratia, have a worse prognosis. The presence of significant right-sided heart failure also imparts a worse prognosis.
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PMID:Endovascular infections arising from right-sided heart structures. 173 55

Two young men presented with prolonged hectic fever and chills followed by chest pain, dyspnea and hemoptysis. The chest films revealed multiple lung infiltrates, and blood cultures yielded Staphylococcus aureus. Echocardiographic examination confirmed the diagnosis of tricuspid valve endocarditis. Multiple punctate lesions in the bilateral inguinal areas and dragon tattoos over the forechest gave rise to the suspicion of drug abuse. After prolonged antimicrobial therapy, bacteremia was eliminated, and elective vegetectomy and valvuloplasty were performed on one of the patients. The other one suffered recurrent episodes of pulmonary embolism. Disappearance of the large vegetation was disclosed by echocardiography. Both of them eventually regained their health with the abstinence of drugs. This report illustrates two typical cases of infective endocarditis in drug addicts.
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PMID:Staphylococcus aureus endocarditis in drug addicts: report of 2 cases. 198 79

A 49-year-old man was admitted to Mitsui Memorial Hospital because of fever of unknown origin. Since one year ago, he had often used intravenous narcotic drugs. Ten months before his admission, he had his first experience of fever and a chill. Four months later, he was admitted to a hospital under the diagnosis of pneumonia and he was treated successfully. After his discharge, he began to use drugs again, which resulted in the repetition of fever and chills during four months prior to his admission to our hospital. On admission, physical findings concerning the patient were unremarkable, except for mild hepatomegaly. ECG and chest X-ray were normal. Laboratory data revealed marked inflammatory changes and severe liver injury. Blood culture disclosed Campylobacter fetus and two dimensional echocardiography showed a large vegetation on the anterior tricuspid valve. He was diagnosed as isolated tricuspid infective endocarditis accompanied with acute hepatitis due to drug abuse. Moreover pulmonary perfusion scintigraphy showed decreased perfusion in the right lower lung field, which suggested that pneumonia of six months ago was due to septic pulmonary emboli from the infected tricuspid valve. The combined antibiotics therapy was successful. By the follow-up echocardiographic studies, the size of vegetation was observed to decrease progressively.
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PMID:[A case of right-sided infective endocarditis in a drug addict]. 233 Apr 63

We discuss the case of a 24-year-old black woman at 33--34 weeks gestation, who after intravenous injection of Talwin presented with the following symptom complex: pyrexia, nausea, vomiting, shaking, chills, headache, myalgias, polyarthralgias, severe abdominal pain and "contractions." This symptomatology presents a complex diagnostic problem. Systematic laboratory evaluation eliminated more common etiologies, i.e., sub-acute bacterial endocarditis, HAA + hepatitis, placental abruption, chorioamnionitis, and urinary tract infection. The Talwin had been filtered through cotton ball. History plus exclusion of other etiologies led to the diagnosis of "cotton fever." The available literature is reviewed, and the importance of recognizing this entity when servicing a pregnant population with a high rate of drug abuse is discussed.
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PMID:Cotton fever and pregnancy. A confusing clinical problem. 721 12

Given the difficulty of obtaining traditionally illicit drugs, consumption is turning towards less restricted products. We report the case of an 18-year-old man, who after inhaling xylazine (a non-narcotic sedative used in veterinary medicine for analgesia, hypnosis and muscle relaxation) presented with an episode of chills and dizziness followed by sweating, gait instability, palpitations and two episodes of syncope with bradycardia and hypotension. Ten cases of toxicity caused by xylazine consumption by oral and parenteral administration (intramuscular, subcutaneous, and intravenous) have been documented in humans. In these cases, consumption was either involuntary or for suicidal or homicidal purposes, or used as an agent of drug abuse, occasionally resulting in death. We present the second documented case of toxic effects of drug abuse with inhalated xylazine.
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PMID:Drug abuse with inhalated xylazine. 1297 9

Loperamide is an antidiarrheal agent available as an inexpensive over-the-counter (OTC) medication. In general, it is considered to be safe, but lately, loperamide drug abuse has been reported due to its opioid properties. When used in high doses, several harmful effects including cardiotoxicity, central nervous system (CNS) and respiratory depression have been reported. This prompted the FDA to release a warning in 2016 regarding the arrhythmogenic potential of loperamide. We present a case of a 32-year-old male with a history of polysubstance abuse who presented to the emergency department (ED) requesting "detoxification" from loperamide. The patient complained of opiate withdrawal symptoms including chills, nausea, vomiting, constipation, and abdominal cramps thought to be secondary to the abuse of loperamide. He was found to have right bundle branch block (RBBB) and bradycardia with a heart rate (HR) of 51 beats per min (bpm). He also reported an unexplained syncopal episode, one day prior to visiting the ED. In the current case report, we discuss loperamide abuse, its harmful effects, and management.
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PMID:Bradycardia and Syncope in a Patient Presenting With Loperamide Abuse. 3001 63

HistoryA 34-year-old man presented to the emergency department of our hospital for progressive shortness of breath and worsening productive cough of 2 weeks duration. He reported a 10-kg weight loss over 4 months but denied experiencing fever, chills, night sweats, or gastrointestinal, musculoskeletal, or neurologic symptoms. His medical history was unremarkable. Although he was a native of Morocco, he had lived in Europe for many years and worked as a truck driver. The patient had a smoking history but had quit smoking 5 years prior to presentation. He denied alcohol abuse or recreational drug use. He did not have any allergies. Besides bilateral clubbing, the physical examination findings were normal. At the time of admission, he had an oxygen (O2) saturation of 87% at ambient air, which increased to 100% with 1 L of O2 administered via a nasal cannula. The blood sample revealed a slight increase in his hemoglobin concentration (18.7 g/dL; normal range, 13.6-17.2 g/dL) and hematocrit level (50.8%; normal range, 39%-49%). His inflammatory parameters were normal, as were his hepatic and renal function. The arterial blood gas test showed partially compensated pulmonary alkalosis (pH, 7.43; normal range, 7.35-7.42; PCO2, 26 mmHg; normal range, 38-42 mmHg; PO2, 89 mmHg; normal range, 75-100 mmHg; bicarbonate level, 17 mEq/L [17 mmol/L]; normal range 22-26 mEq/L [22-26 mmol/L]). The results of the pulmonary function tests were expressed as the percentage of predicted values and were 92% for forced vital capacity, 93% for forced expiratory volume in 1 second, 116% for total lung capacity, and 60% for diffusing capacity of carbon monoxide. Anteroposterior chest radiography and enhanced chest CT were also performed at admission (Figs 1-3).[Figure: see text][Figure: see text][Figure: see text][Figure: see text][Figure: see text][Figure: see text][Figure: see text][Figure: see text].
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PMID:Case 276. 3175 Nov 91

HistoryA 34-year-old man presented to the emergency department of our hospital for progressive shortness of breath and worsening productive cough of 2 weeks duration. He reported a 10-kg weight loss over 4 months but denied experiencing fever, chills, night sweats, or gastrointestinal, musculoskeletal, or neurologic symptoms. His medical history was unremarkable. Although he was a native of Morocco, he had lived in Europe for many years and worked as a truck driver. The patient had a smoking history but had quit smoking 5 years prior to presentation. He denied alcohol abuse or recreational drug use. He did not have any allergies. Besides bilateral clubbing, the physical examination findings were normal. At the time of admission, he had an oxygen (O2) saturation of 87% at ambient air, which increased to 100% with 1 L of O2 administered via a nasal cannula. The blood sample revealed a slight increase in his hemoglobin concentration (18.7 g/dL; normal range, 13.6-17.2 g/dL) and hematocrit level (50.8%; normal range, 39%-49%). His inflammatory parameters were normal, as were his hepatic and renal function. The arterial blood gas test showed partially compensated pulmonary alkalosis (pH, 7.43; normal range, 7.35-7.42; PCO2, 26 mmHg; normal range, 38-42 mmHg; PO2, 89 mmHg; normal range, 75-100 mmHg; bicarbonate level, 17 mEq/L [17 mmol/L]; normal range 22-26 mEq/L [22-26 mmol/L]). The results of the pulmonary function tests were expressed as the percentage of predicted values and were 92% for forced vital capacity, 93% for forced expiratory volume in 1 second, 116% for total lung capacity, and 60% for diffusing capacity of carbon monoxide. Anteroposterior chest radiography and enhanced chest CT were also performed at admission.
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PMID:Case 276: Pulmonary Veno-Occlusive Disease and Pulmonary Capillary Hemangiomatosis Disease. 3217 98