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https://www.readbyqxmd.com/read/29666293/fast-or-slow-rescue-ventilations-a-predictive-model-of-gastric-inflation
#1
John R Fitz-Clarke
BACKGROUND: Rescue ventilations are given during respiratory and cardiac arrest. Tidal volume must assure oxygen delivery; however, excessive pressure applied to an unprotected airway can cause gastric inflation, regurgitation, and pulmonary aspiration. The optimal technique provides mouth pressure and breath duration that minimize gastric inflation. It remains unclear if breath delivery should be fast or slow, and how inflation time affects the division of gas flow between the lungs and esophagus...
April 17, 2018: Respiratory Care
https://www.readbyqxmd.com/read/29624870/characteristics-and-risk-factors-of-pulmonary-arterial-hypertension-in-patients-with-primary-sj%C3%A3-gren-s-syndrome
#2
Shumin Yan, Mengtao Li, Hui Wang, Xiaoxi Yang, Jiuliang Zhao, Qian Wang, Yongtai Liu, Jinzhi Lai, Zhuang Tian, Hui Song, Yan Zhao, Xiaofeng Zeng
AIM: To describe baseline characteristics of patients with primary Sjögren's syndrome (pSS) with right heart catheterization (RHC)-confirmed pulmonary arterial hypertension (PAH) and explore risk factors for PAH in pSS. METHODS: This case-control study included consecutive patients hospitalized with pSS-PAH from 2007 to 2015, and pSS patients without PAH (in a 4 : 1 ratio) as controls. All patients fulfilled the 2002 American-European Consensus Group classification criteria for pSS-PAH was defined according to RHC-based European Society of Cardiology/European Respiratory Society guidelines...
April 6, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29623019/clinical-presentation-of-atrial-myxomas-does-it-differ-in-left-or-right-sided-tumor
#3
Habib Khan, Sanjay Chaubey, Mohammed Mohsin Uzzaman, Yasir Iqbal, Fareeda Khan, Salman Butt, Ranjit Deshpande, Jatin Desai
Objective: This paper reports a 20 years' experience in the management of atrial myxomas at our institution. Apart from presenting our experience of their clinical presentation, surgical management, post-operative complication, and long-term follow-up we investigated any correlation between left and right sided tumor with their symptom of presentation. Materials and Methods: The data were retrospectively collected for patients between the period 1995 and 2015 from the hospital database...
January 2018: International Journal of Health Sciences
https://www.readbyqxmd.com/read/29622988/outflow-tract-ventricular-premature-beats-ablation-in-the-presence-or-absence-of-structural-heart-disease-technical-considerations-and-clinical-outcomes
#4
Haitham Badran, Rania Samir, Mohamed Amin
Background: Premature ventricular beats (PVBs) are early depolarization of the myocardium originating in the ventricle. In case of very frequent PVBs, patients are severely symptomatic with impaired quality of life and are at risk of pre-syncope, syncope, heart failure, and sudden cardiac death particularly in the presence of structural heart disease. Ventricular outflow tracts are the most common sites of origin of idiopathic PVBs especially in patients without structural heart disease...
December 2017: The Egyptian heart journal: (EHJ): official bulletin of the Egyptian Society of Cardiology
https://www.readbyqxmd.com/read/29606104/study-protocol-randomized-controlled-trial-reducing-symptom-burden-in-patients-with-heart-failure-with-preserved-ejection-fraction-using-ubiquinol-and-or-d-ribose
#5
Janet D Pierce, Diane E Mahoney, John B Hiebert, Amanda R Thimmesch, Francisco J Diaz, Carol Smith, Qiuhua Shen, Dinesh Pal Mudaranthakam, Richard L Clancy
BACKGROUND: Heart failure (HF), the leading cause of morbidity and mortality in the US, affects 6.6 million adults with an estimated additional 3 million people by 2030. More than 50% of HF patients have heart failure with preserved left ventricular ejection fraction (HFpEF). These patients have impaired cardiac muscle relaxation and diastolic filling, which investigators have associated with cellular energetic impairment. Patients with HFpEF experience symptoms of: (1) fatigue; (2) shortness of breath; and (3) swelling (edema) of the lower extremities...
April 2, 2018: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/29579587/a-systematic-review-of-clozapine-induced-myocarditis
#6
Brandi L Bellissima, Malcolm D Tingle, Aleksandar Cicović, Mohammed Alawami, Christopher Kenedi
BACKGROUND: Clozapine is an atypical antipsychotic that is beneficial to some patients who failed to have an adequate clinical response to other antipsychotic drugs. Its clinical use is limited due to several potentially fatal adverse reactions including myocarditis. Careful monitoring of patients on clozapine is required. METHODS: We conducted a systematic review of the literature on myocarditis associated with clozapine therapy. The search engines used to identify cases were MEDLINE, EMBASE, PsycINFO and Cochrane reviews...
May 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29574433/concurrent-sweet-s-syndrome-and-myopericarditis-following-mesalamine-therapy
#7
Samuel A Shabtaie, Nicholas Y Tan, Riddhi S Parikh, Konstantinos A Papadakis
Mesalamine, or 5-aminosalicylic acid, is a frequently used medication for the treatment of inflammatory bowel disease (IBD). We report the case of a 40-year-old woman recently diagnosed with IBD and started on mesalamine, who presented with new onset tender skin lesions 3 days following medication administration. One day following the onset of skin lesions, the patient developed acute chest pain, shortness of breath, ECG changes, troponemia, C-reactive protein elevation and pericardial enhancement on cardiac MRI consistent with myopericarditis...
March 23, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29552570/myocardial-infarction-presenting-as-ear-fullness-and-pain
#8
Israel Ugalde, Ibrar Anjum, Saberio Lo Presti, Alfonso Tolentino
Acute coronary syndrome usually presents with retrosternal chest pain, nausea, vomiting, sweating, and jaw and arm pain. Some patients only present with neck, epigastric, or ear discomfort. A 47-year-old male with a history of hypertension and coronary artery disease presented to the emergency department complaining of bilateral otalgia. He never felt chest pain, jaw pain, nausea, diaphoresis, or shortness of breath. He had a history of 2 acute coronary events and had a stress test 2 months prior to admission, which was unremarkable...
January 2018: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29551765/a-case-of-constrictive-pericarditis-associated-with-melioidosis-in-an-immunocompetent-patient-treated-by-pericardiectomy
#9
Hou Tee Lu, Gunasekaran Ramsamy, Chuey Yan Lee, Syed Rasul G Syed Hamid, Foong Kee Kan, Rusli Bin Nordin
BACKGROUND Melioidosis is a rare tropical bacterial infection caused by the Gram-negative soil saprophyte, Burkholderia pseudomallei. Melioidosis can mimic a variety of diseases due to its varied presentation, and unless it is treated rapidly, it can be fatal.  A rare case of melioidosis, with pericarditis and pericardial effusion, is described, which demonstrates the value of early diagnosis with echocardiography and pericardiocentesis. CASE REPORT A 38-year-old native (Iban) East Malaysian man presented with shortness of breath and tachycardia...
March 19, 2018: American Journal of Case Reports
https://www.readbyqxmd.com/read/29545982/cocaine-induced-type-a-aortic-dissection-extending-to-the-common-iliac-arteries
#10
Mohamed A Mohamed, Rohit Abraham, Tareq I Maraqa, Samir Elian
Aortic dissection is a rare and fatal complication of cocaine-induced hypertension. The injury mechanism is through shear stress that penetrates the intimal vessel layer, allowing blood flow to separate intimal and medial layers. Due to its scarcity and the paucity of related literature, our knowledge of this condition is limited. We present a rare case of a cocaine-induced aortic dissection, which extended continuously from the aortic root to the common iliacs, along with a literature review of similar cases...
January 12, 2018: Curēus
https://www.readbyqxmd.com/read/29526358/patients-with-anomalous-aortic-origin-of-the-coronary-artery-remain-at-risk-after-surgical-repair
#11
Shannon N Nees, Jonathan N Flyer, Anjali Chelliah, Jeffrey D Dayton, Lorraine Touchette, David Kalfa, Paul J Chai, Emile A Bacha, Brett R Anderson
OBJECTIVES: Anomalous aortic origin of a coronary artery (AAOCA) from the opposite sinus of Valsalva is a rare cardiac anomaly associated with sudden cardiac death (SCD). Single-center studies describe surgical repair as safe, although medium- and long-term effects on symptoms and risk of SCD remain unknown. We sought to describe outcomes of surgical repair of AAOCA. METHODS: We reviewed institutional records for patients who underwent AAOCA repair, from 2001 to 2016, at 2 affiliated institutions...
February 8, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29492349/a-reversible-cause-of-complete-heart-block-causing-chest-pain-and-syncope
#12
Syed Rafay Ali Sabzwari, Zoltan Varga, Khurram Butt, Nimra Khan
Vasospastic angina (VSA), also known as variant or Prinzmetal's angina, is a relatively uncommon cause of retrosternal chest pain with transient ST segment elevation, mainly due to vasospasm in the coronary arteries. This is a case of 37-year-old female who presented with chest pain and syncope. Her initial workup, including echocardiogram, was negative. Subsequently, she was sent home with an event monitor. During the next two weeks, she continued to have recurrent episodes of similar chest pains and presented to her cardiology appointment with a heart rate of 45 bpm and blood pressure of 100/60 mmHg and was taken to hospital emergency department...
December 16, 2017: Curēus
https://www.readbyqxmd.com/read/29470624/measuring-liver-t2-and-cardiac-t2-in-a-single-acquisition
#13
Suraj D Serai, Andrew T Trout, Robert J Fleck, Charles T Quinn, Jonathan R Dillman
PURPOSE: The purpose of this study is determine if both liver T2* and cardiac T2* can be measured on a single breath-hold acquisition. MATERIALS AND METHODS: For this IRB-approved retrospective study, 137 patients with dedicated Cardiac MRI and Liver MRI examinations obtained sequentially on 1.5T scanners and on the same day were included for analysis. Both the cardiac and liver MRI examinations utilized GRE sequences for quantification of tissue iron. Specifically, T2* was measured using an 8-echo, multi-echo gradient echo single breath-hold sequence...
February 22, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29430433/a-life-threatening-bronchogenic-cyst
#14
Sung Joon Han, Hyun Jin Cho, Min-Woong Kang, Jae Hyeon Yu, Myung Hoon Na, Shin Kwang Kang
A bronchogenic cyst causing cardiac tamponade is a rare condition. We report an unusual case of a bronchogenic cyst that caused cardiac tamponade. A 49-year-old female patient presented at our emergency room with complaints of palpitations and shortness of breath that had lasted for 5 days preceding the visit. Echocardiography revealed a very large cystic mass compressing the left a trium posteriorly, and a large amount of pericardial effusion caused the diastolic collapse of the ventricles. Atrial fibrillation and aggravated dyspnea were observed, and the patient's vital signs were unstable after admission...
February 2018: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29423163/metastatic-epicardial-leiomyoma-with-uncertain-malignant-potential
#15
Miroslav P Peev, Anne Therese C Lim, Tianle Zou, Laurence H Brinckerhoff
A 49-year-old female with history of uterine leiomyoma and intermittent shortness of breath presented to the emergency department with new onset of tachycardia and chest pain. Subsequent cardiac work up revealed hypoechoic mass compressing the right ventricle. Computer tomography guided biopsy for tissue characterization revealed a benign spindle cell tumor. Surgical resection of a large epicardial tumor was undertaken. The histologic examination of the tumor was consistent with Estrogen and Progesterone positive leiomyoma of uncertain malignant potential...
September 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29413721/isoflurane-or-propofol-sedation-in-patients-with-targeted-temperature-management-after-cardiopulmonary-resuscitation-a-single-center-study
#16
Dawid Leander Staudacher, Sarah-Kristin Hamilton, Daniel Duerschmied, Paul Marc Biever, Manfred Zehender, Christoph Bode, Tobias Wengenmayer
PROPOSE: Targeted temperature management improves outcomes in comatose patients after cardiac arrest. Short lasting sedatives might enable rapid awakening after targeted temperature management and therefore early prognostication and extubation. Aim of the present study was to compare sedation with volatile isoflurane to intravenous propofol. MATERIALS AND METHODS: All patients after cardiopulmonary resuscitation undergoing targeted temperature management treated between 01/2014 and 02/2017 at a single tertiary referral hospital were screened...
February 2, 2018: Journal of Critical Care
https://www.readbyqxmd.com/read/29375951/tale-of-a-wandering-lead-late-atrial-lead-perforation-into-right-lung-following-pacemaker-implantation
#17
Arjun Saradna, Ankur Sinha, Madina Abduraimova, Daniel Rodriguez, Felix Yang
Cardiac perforation by a pacemaker lead is a rare complication of pacemaker implantation. Presentation can vary from chest pain and shortness of breath to the patient being completely asymptomatic. Diagnosis is usually made by high-resolution computed tomography (HRCT) scan of the chest. Electrocardiograph (EKG) usually shows the absence of a paced rhythm, but it doesn't provide a definitive diagnosis. We describe a case of late cardiac perforation by an atrial pacemaker lead with no signs or symptoms of pericardial tamponade...
November 21, 2017: Curēus
https://www.readbyqxmd.com/read/29342993/-analysis-of-prognosis-and-associated-risk-factors-in-pediatric-idiopathic-pulmonary-arterial-hypertension
#18
Q Liu, C Zhang, Q Q Li, Y Zhu, D Zhang, W G Zhao, H Gu
Objective: To analyze the prognosis and associated risk factors of pediatric idiopathic pulmonary arterial hypertension. Methods: A total of 119 patients under 18 years of age diagnosed as idiopathic pulmonary arterial hypertension in the Pulmonary Arterial Hypertension Center in Beijing Anzhen Hospital between June 2007 and May 2017 were enrolled in this retrospective study. The clinical informations and follow-up data were collected. The endpoints of follow-up were defined as death or undergoing lung transplantation...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29325364/-the-efficacy-and-safety-of-coil-embolization-of-septal-branch-in-the-treatment-of-patients-with-obstructive-hypertrophic-cardiomyopathy
#19
H Liu, Q Wu, H W Tan, J Pang
Objective: To observe the clinical efficacy and safety of coil embolization of septal branch in the treatment of obstructive hypertrophic cardiomyopathy (HOCM). Methods: Eighteen patients with HOCM hospitalized in our department from September 2014 to October 2016 were enrolled in this study. There were 12 males and 6 females in this cohort and the age of patients ranged from 22 to 64 years old. Left ventricular outflow tract gradient (LVOTG) was derived from echocardiographic apical five-chamber view at pre-operation and at 48 hours and 6 months post operation...
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29314198/nonrigid-active-shape-model-based-registration-framework-for-motion-correction-of-cardiac-t-1-mapping
#20
Hossam El-Rewaidy, Maryam Nezafat, Jihye Jang, Shiro Nakamori, Ahmed S Fahmy, Reza Nezafat
PURPOSE: Accurate reconstruction of myocardial T1 maps from a series of T1 -weighted images consists of cardiac motions induced from breathing and diaphragmatic drifts. We propose and evaluate a new framework based on active shape models to correct for motion in myocardial T1 maps. METHODS: Multiple appearance models were built at different inversion time intervals to model the blood-myocardium contrast and brightness changes during the longitudinal relaxation. Myocardial inner and outer borders were automatically segmented using the built models, and the extracted contours were used to register the T1 -weighted images...
January 3, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
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