Effect of endurance exercise training on heart rate variability at rest in healthy young and older men WC Levy, MD Cerqueira, GD Harp, KA Johannessen, IB Abrass, ... The American journal of cardiology 82 (10), 1236-1241, 1998 | 476 | 1998 |
Serum potassium concentration as a risk factor of ventricular arrhythmias early in acute myocardial infarction. JE Nordrehaug, KA Johannessen, G Von Der Lippe Circulation 71 (4), 645-649, 1985 | 278 | 1985 |
Left ventricular thrombosis and cerebrovascular accident in acute myocardial infarction. KA Johannessen, JE Nordrehaug, G Von der Lippe Heart 51 (5), 553-556, 1984 | 142 | 1984 |
Risk factors for embolisation in patients with left ventricular thrombi and acute myocardial infarction. KA Johannessen, JE Nordrehaug, G Von der Lippe, SE Vollset Heart 60 (2), 104-110, 1988 | 115 | 1988 |
Fate of left ventricular thrombi in patients with remote myocardial infarction or idiopathic cardiomyopathy. JR Stratton, JW Nemanich, KA Johannessen, AD Resnick Circulation 78 (6), 1388-1393, 1988 | 106 | 1988 |
Usefulness of high-dose anticoagulants in preventing left ventricular thrombus in acute myocardial infarction JE Nordrehaug, KA Johannessen, G Von Der Lippe The American journal of cardiology 55 (13), 1491-1493, 1985 | 95 | 1985 |
Improving accessibility for outpatients in specialist clinics: reducing long waiting times and waiting lists with a simple analytic approach KA Johannessen, N Alexandersen BMC health services research 18, 1-13, 2018 | 73 | 2018 |
Assessing physician productivity following Norwegian hospital reform: A panel and data envelopment analysis KA Johannessen, SAC Kittelsen, TP Hagen Social Science & Medicine 175, 117-126, 2017 | 58 | 2017 |
Effect of timolol on changes in serum potassium concentration during acute myocardial infarction. JE Nordrehaug, KA Johannessen, G von der Lippe, M Sederholm, ... Heart 53 (4), 388-393, 1985 | 53 | 1985 |
Physicians’ engagement in dual practices and the effects on labor supply in public hospitals: results from a register-based study KA Johannessen, TP Hagen BMC health services research 14, 1-11, 2014 | 51 | 2014 |
Influence of myocardial infarction size on radionuclide and Doppler echocardiographic measurements of diastolic function KA Johannessen, MD Cerqueira, JR Stratton The American journal of cardiology 65 (11), 692-697, 1990 | 49 | 1990 |
Influence of sympathetic stimulation and parasympathetic withdrawal on Doppler echocardiographic left ventricular diastolic filling velocities in young normal subjects KA Johannessen, M Cerqueira, RC Veith, JR Stratton The American journal of cardiology 67 (6), 520-526, 1991 | 44 | 1991 |
Increased occurrence of left ventricular thrombi during early treatment with timolol in patients with acute myocardial infarction. KA Johannessen, JE Nordrehaug, G Von der Lippe Circulation 75 (1), 151-155, 1987 | 43 | 1987 |
Left ventricular thrombi after short-term high-dose anticoagulants in acute myocardial infarction KA Johannessen, JE Nordrehaug, G Von der Lippe European heart journal 8 (9), 975-980, 1987 | 37 | 1987 |
Circulating catecholamine and potassium concentrations early in acute myocardial infarction: effect of intervention with timolol JE Nordrehaug, KA Johannessen, G von der Lippe, OL Myking American Heart Journal 110 (5), 944-948, 1985 | 33 | 1985 |
Echocardiographic evaluation of segmental wall motion early and late after thrombolytic therapy in acute myocardial infarction: the Western Washington Tissue Plasminogen … CM Otto, JR Stratton, C Maynard, R Althouse, KA Johannessen, ... The American journal of cardiology 65 (3), 132-138, 1990 | 30 | 1990 |
Left ventricular function in myasthenia gravis KA Johannessen, Å Mygland, NE Gilhus, J Aarli, H Vik-Mo The American journal of cardiology 69 (1), 129-132, 1992 | 29 | 1992 |
Usefulness of aspirin plus dipyridamole in reducing left ventricular thrombus formation in anterior wall acute myocardial infarction KA Johannessen, JR Stratton, E Taulow, B Osterud, G Von Der Lippe The American journal of cardiology 63 (1), 101-102, 1989 | 26 | 1989 |
The moderating role of pro-innovative leadership and gender as an enabler for future drone transports in healthcare systems HE Comtet, KA Johannessen International journal of environmental research and public health 18 (5), 2637, 2021 | 25 | 2021 |
Pathologic blood samples tolerate exposure to vibration and high turbulence in simulated drone flights, but plasma samples should be centrifuged after flight KA Johannessen, NKS Wear, K Toska, M Hansbø, JP Berg, E Fosse IEEE Journal of Translational Engineering in Health and Medicine 9, 1-10, 2021 | 21 | 2021 |